Civil Engineering Highway Engineering Quiz (or) MCQ

1 .

The head light of vehicles should be such that its lower beam illuminates objects at

A)

10 m

B)

20 m

C)

30 m

D)

40 m

Correct Answer : 30 m

2 .

The length of the side of warning sign boards of roads is

A)

30 cm

B)

40 cm

C)

45 cm

D)

50 cm

Correct Answer : 45 cm

3 .

Non-passing sight distance along a road is the longest distance at which the driver of a moving vehicle, may see an obstacle on the pavement

A)

10 cm high

B)

25 cm high

C)

50 cm high

D)

100 cm high

Correct Answer : 10 cm high

4 .

The minimum road width is taken

A)

20 m

B)

16 m

C)

12 m

D)

9 m

Correct Answer : 9 m

5 .

Selection of the routes, of highways depends upon

A)

minimum number of bridges

B)

avoidance of cutting hard rocks

C)

feasibility of attaining ruling gradient

D)

All of the above

Correct Answer : All of the above

6 .

Gradient resistance of moving vehicles along down slopes, is

A)

+ 9 kg/tonne

B)

- 9 kg/tonne

C)

+ 7 kg/tonne

D)

- 7 kg/tonne

Correct Answer : - 9 kg/tonne

7 .

Thickness of broken centre line markings for a four lane road, is generally kept

A)

15 cm

B)

18 cm

C)

20 cm

D)

23 cm

Correct Answer : 15 cm

8 .

Round-abouts are not suitable if number of vehicles exceed

A)

5000

B)

6000

C)

3000

D)

4000

Correct Answer : 3000

9 .

For a comfortable travel on Highways, the centrifugal ratio should not exceed

A)

0.30

B)

0.25

C)

0.20

D)

0.15

Correct Answer : 0.25

10 .

If V is speed in km/hour and R is radius of the curve, the superelevation e is equal to

A)

VÂ²/325R

B)

VÂ²/225R

C)

VÂ²/125R

D)

VÂ²/25R

Correct Answer : VÂ²/225R

11 .

A single lane carriage way whenever changes to two-lane carriage way, is affected through a taper of

A)

1 in 10

B)

1 in 15

C)

1 in 20

D)

1 in 15 to 1 in 20

Correct Answer : 1 in 15 to 1 in 20

12 .

The wall constructed for the stability of an excavated portion of a road on the hill side, is known as

A)

breast wall

B)

parapet wall

C)

retaining wall

D)

All of the above

Correct Answer : breast wall

13 .

If cross slope of a country is upto 10% the terain is classified as

A)

steep

B)

rolling

C)

plain

D)

mountainous

Correct Answer : plain

14 .

The first stage of deciding the alignment of a hill road, is

A)

trace-out

B)

reconnaissance

C)

detailed survey

D)

preliminary survey

Correct Answer : reconnaissance

15 .

Intermediate catch water drains are provided only, if________.

A)

intensity of rainfall is heavy

B)

single catch water drain is inadequate

C)

catchment area of the watershed above road is large

D)

All of the above

Correct Answer : All of the above

16 .

Pick up the correct statement from the following :

A)

Minimum width of medians should be 3 metres

B)

Minimum desirable width of medians on rural highways is 5 metres

C)

On long bridges and viaducts, the width of medians should be 1.5 m

D)

All of the above

Correct Answer : All of the above

17 .

Maximum number of vehicles that can pass a given point on a lane during one hour without creating unreasonable delay, is known as

A)

practical capacity of lane

B)

basic capacity of lane

C)

traffic density of lane

D)

probable capacity of lane

Correct Answer : practical capacity of lane

18 .

The desirable camber for straight roads with water bound macadam or gravel surface, is

A)

1 in 33 to 1 in 25

B)

1 in 40 to 1 in 33

C)

1 in 150 to 1 in 140

D)

1 in 160 to 1 in 140

Correct Answer : 1 in 40 to 1 in 33

19 .

The traffic manoeuvre means________.

A)

merging

B)

crossing

C)

diverging

D)

All of the above

Correct Answer : All of the above

20 .

To compensate the loss of tractive force of vehicles along curves of radius R, the percentage reduction of gradient, is_______.

A)

125/R

B)

100/R

C)

75/R

D)

50/R

Correct Answer : 75/R

21 .

Maximum number of passenger cars that can pass a given point on a road during one hour under the most ideal road way and traffic conditions, is known as

A)

basic capacity of traffic lane

B)

traffic density

C)

possible capacity of traffic lane

D)

All of the above

Correct Answer : basic capacity of traffic lane

22 .

The absolute minimum radius for a horizontal curve designed for a speed of 80 kmph, given the permissible values of superelevation and coefficient of friction are 0.04 and 0.16, is

A)

458 m

B)

252 m

C)

150 m

D)

105 m

Correct Answer : 252 m

23 .

The absolute minimum radius of curve for safe operation for a speed of 110 kmph is____.

A)

577 m

B)

440 m

C)

220 m

D)

110 m

Correct Answer : 440 m

24 .

Volume of traffic which would immediately use a new road or an improved one when opened to traffic, is known

A)

current traffic

B)

general traffic

C)

development traffic

D)

normal traffic growth

Correct Answer : normal traffic growth

25 .

Pick up the correct statement from the following :

A)

Safety fences are provided on either side of a roadway if embankments are in excess of 6 metres

B)

Guard stones are provided at 2.5 metres intervals if embankments are between 1.6 metres to 3 metres

C)

Safety fences are provided on outside of the curves of radii less than 750 m if the embankments are between 3 metres and 6 metres

D)

All of the above

Correct Answer : All of the above

26 .

When each particle of aggregates is thinly coated with cement paste, a heterogeneous solid is formed, which is known as_____.

A)

gel

B)

hydration

C)

concrete

D)

None of the above

Correct Answer : concrete

27 .

Indian Road Congress (I.R.C.) was founded and constituted with its head quarters at New Delhi, in_____.

A)

1942

B)

1934

C)

1930

D)

1927

Correct Answer : 1934

28 .

Extra widening required at a horizontal curve on a single lane hill road of radius 80 m for a design speed of 50 km ph and for a vehicle with wheel base 6.0 m is________.

A)

0.589 m

B)

1.250 m

C)

1.783 m

D)

None of the above

Correct Answer : 0.589 m

29 .

While designing hair pin bends on higways, the minimum_______.

A)

designed speed is 20 km/hour

B)

gradient is 1 in 40

C)

gradient is 1 in 200

D)

All of the above

Correct Answer : All of the above

Explanation : * designed speed is 20 km/hour
* gradient is 1 in 40
* gradient is 1 in 200
* superelevations is 1 in 10

30 .

Floating gradients are generally provided_______.

A)

at summit curves

B)

at valley curves

C)

along minimum gradients

D)

along maximum gradients

Correct Answer : at summit curves

31 .

In case of a hair pin bend of a highway,_________.

A)

minimum radius of inner curve is 14 m

B)

minimum radius of transition is 15 m

C)

circular compound curve may be provided

D)

All of the above

Correct Answer : All of the above

Explanation : * minimum radius of inner curve is 14 m
* minimum radius of transition is 15 m
* circular compound curve may be provided
* minimum road way width at apex for single lane highway, is 9 m

32 .

Before providing super-elevation on roads, the portion of the carriageway between the crown and the outer edge is made_____.

A)

horizontal

B)

to have a reduced fall

C)

to have slope of the camber on the other half of the carriageway

D)

All of the above

Correct Answer : All of the above

33 .

Customers prefer parking of their vehicles at_____.

A)

85Â° to aisles

B)

80Â° to aisles

C)

75Â° to aisles

D)

60Â° to aisles

Correct Answer : 75Â° to aisles

34 .

The width formation of a road means the width of______.

A)

carriageway

B)

embankment at the top level

C)

pavement and shoulders

D)

embankment at ground level

Correct Answer : embankment at the top level

35 .

If P is the number of vehicles per day at last census, r is the increase in traffic and n is the number of years passed after last census, number of vehicles A per day for design, is

A)

P (1 + r)ⁿ

B)

P (1 - r)ⁿ

C)

P (1 + r)^-n+5

D)

P (1 + r)⁵ⁿ

Correct Answer : P (1 + r)ⁿ

36 .

In India the modes of transportation, in the order of their importance, are

A)

railways, roads, shipping, air transport

B)

air transport, shipping, roads, railways

C)

shipping, roads, railways, air transport

D)

roads, railways, air transport, shipping

Correct Answer : railways, roads, shipping, air transport

37 .

On the recommendations of Indian Road Congress, the ruling gradient in plains, is______.

A)

1 in 15

B)

1 in 20

C)

1 in 30

D)

1 in 45

Correct Answer : 1 in 30

38 .

Pick up the correct statement from the following :

A)

After reconnaissance, a trace is cut for the alignment

B)

During reconnaissance, the general route of the alignment is selected

C)

Last stage is the detailed surveys for desired geometries'of the highway

D)

All of the above

Correct Answer : All of the above

39 .

Deviation of the alignment of a trace cut may be permitted in areas involving

A)

dens

B)

sand dunes

C)

land slides

D)

None of the above

Correct Answer : land slides

40 .

The normal road land width for a National or State highway, in open areas should be

A)

45 m

B)

30 m

C)

24 m

D)

20 m

Correct Answer : 45 m

41 .

Excessive camber on pavements may cause

A)

erosion of the berms

B)

deterioration of central portion

C)

slip of the speedy vehicles towards the edges

D)

All of the above

Correct Answer : All of the above

42 .

Pick up the incorrect statement from the following :

A)

Tresguet provided the top camber for the drainage of surface water

B)

Tresguet did not provide the top camber for the drainage of surface water

C)

Macadam provided a camber to the formation at the dug-up state, to drain percolated water

D)

Telford provided two layers of stones in the central 5.4 m width and one layer was provided on the sides

Correct Answer : Tresguet did not provide the top camber for the drainage of surface water

43 .

Cement grouted pavement is classified as______.

A)

rigid pavement

B)

flexible pavement

C)

semi-rigid pavement

D)

None of the above

Correct Answer : semi-rigid pavement

44 .

The normal road width of National and State highways______.

A)

is kept 45 m

B)

in mountainous built-up area is 20 m

C)

in plain and rolling terrain built-up area, is 30 m

D)

All of the above

Correct Answer : All of the above

45 .

The extra widening of pavements recommended by Indian Roads Congress for hill roads having radius 150 metres, is

A)

0.0 m

B)

0.5 m

C)

1.0 m

D)

1.5 m

Correct Answer : 0.0 m

46 .

Width of the shoulders of carriage way is generally kept

A)

125 cm

B)

150 cm

C)

200 cm

D)

250 cm

Correct Answer : 250 cm

47 .

The correct formula for calculating superelevation for the hill roads, is

A)

e = VÂ²/114R

B)

e = VÂ²/225R

C)

e = VÂ²/254R

D)

e = VÂ²/278R

Correct Answer : e = VÂ²/225R

48 .

The inventor of road making as a building science, was______.

A)

Telford

B)

Macadam

C)

Sully

D)

Tresguet

Correct Answer : Sully

49 .

Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm², is

A)

70 kg/sq cm

B)

80 kg/sq cm

C)

90 kg/sq cm

D)

100 kg/sq cm

Correct Answer : 90 kg/sq cm

50 .

Design of horizontal curves on highways, is based on______.

A)

design speed of vehicles

B)

permissible centrifugal ratio

C)

permissible friction on the road surface

D)

All of the above

Correct Answer : All of the above

Explanation : * design speed of vehicles
* permissible centrifugal ratio
* permissible friction on the road surface
* permissible maximum super-elevation

51 .

If cross slope of a country is 10% to 25%, the terrain is classified as____.

A)

rolling

B)

steep

C)

plain

D)

mountainous

Correct Answer : rolling

52 .

Shoulders for high traffic volume roads, should_____.

A)

not allow entrance of water to sub-grade

B)

support and protect the ends of carriage ways

C)

be stable throughout the year to be used by vehicles in the case of emergency

D)

All of the above

Correct Answer : All of the above

53 .

According to the recommendations of Nagpur Conference, the width formation of an ideal National Highway in hard rock cutting, is______.

A)

8.9 m

B)

7.9 m

C)

6.9 m

D)

6.5 m

Correct Answer : 7.9 m

54 .

The type of curves generally provided on highways, is_____.

A)

vertical curve

B)

critical curve

C)

transition curve

D)

All of the above

Correct Answer : All of the above

55 .

In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is_________.

A)

0.16

B)

0.64

C)

6.25

D)

None of the above

Correct Answer : 0.16

56 .

If present A.D.T. is 5000 vehicles and annual increase is 10%, the average future flow after 5 years will be______.

A)

6050 vehicles

B)

7050 vehicles

C)

8050 vehicles

D)

9050 vehicles

Correct Answer : 8050 vehicles

57 .

The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known____.

A)

floating gradient

B)

maximum gradient

C)

ruling gradient

D)

exceptional gradient

Correct Answer : maximum gradient

58 .

For night travel, the length of a valley curve should be such that the head light beam distance is the same as_____.

A)

stopping sight distance

B)

overtaking sight distance

C)

Both (A) and (B)

D)

Neither (A) nor (B)

Correct Answer : stopping sight distance

59 .

If no super elevation is provided on a road along curves, pot holes may develop at________.

A)

centre of the road

B)

inner edge of the road

C)

outer edge of the road

D)

no where on the road

Correct Answer : outer edge of the road

60 .

Enoscope is used to determine

A)

travel time

B)

average speed

C)

Both (A) and (B)

D)

spot speed

Correct Answer : spot speed

61 .

Reduction of load capacity in a ruling gradient of________.

A)

1 in 25, is 25%

B)

1 in 20, is 10%

C)

1 in 15, is 15%

D)

1 in 10, is 10%

Correct Answer : 1 in 20, is 10%

62 .

Over taking time required for a vehicle with design speed 50 km ph and overtaking acceleration 1.25 m/sec² to overtake a vehicle moving at a speed 30 km ph, is

A)

6.12 secs

B)

5.0 secs

C)

225.48 secs

D)

30 secs

Correct Answer : 6.12 secs

63 .

Hill roads are_______.

A)

seldom provided a camber

B)

provided camber along spur curves

C)

provided camber along valley curves

D)

None of the above

Correct Answer : seldom provided a camber

64 .

For a poorly graded sub-grade soil, thickness of sub-base, is______.

A)

15 cm

B)

20 cm

C)

25 cm

D)

30 cm

Correct Answer : 30 cm

65 .

For clear distinct vision, images of obstructions should fall on the retina with a cone of_____.

A)

3Â°

B)

4Â°

C)

5Â°

D)

6Â°

Correct Answer : 5Â°

66 .

The maximum safe speed on roads, depends on the

A)

sight distance

B)

type of curves

C)

type of the highway

D)

All of the above

Correct Answer : All of the above

67 .

The basic formula for determination of pavement thickness was first suggested by

A)

Kelly

B)

Goldbeck

C)

Picket

D)

Spanglar

Correct Answer : Goldbeck

68 .

To prevent a head-on-collision of vehicles travelling in opposite directions along four-lane roads

A)

medians of wide area are provided

B)

area dividers are provided

C)

physical dividers are provided

D)

markings on the road are provided

Correct Answer : medians of wide area are provided

69 .

The G.T. road from Lahore to Calcutta in undivided India, was constructed during

A)

265-270 BC

B)

3495-3500 BC

C)

1540-1545 AD

D)

1440-1450

Correct Answer : 1540-1545 AD

70 .

Super-elevation on roads in snow bound areas, should generally not exceed

A)

12%

B)

10%

C)

7%

D)

6%

Correct Answer : 7%

71 .

If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm², spacing of 10 mm tie bars for the longitudinal joint, is

A)

20 cm

B)

30 cm

C)

40 cm

D)

50 cm

Correct Answer : 30 cm

72 .

Minimum number of 50 kg cement bags per cubic metre of concrete for a mix corresponding to crushing strength 280 kg/cm² at 28 days, are

A)

6.5

B)

7.0

C)

7.5

D)

8.0

Correct Answer : 6.5

73 .

Stability of hill slopes depends upon

A)

angle of the slope

B)

nature of the slope

C)

geological conditions

D)

All of the above

Correct Answer : All of the above

Explanation : * angle of the slope
* nature of the slope
* geological conditions
* ground water conditions

74 .

For maximum strength and durability minimum percentage of cement, by weight is

A)

20%

B)

25%

C)

30%

D)

35%

Correct Answer : 30%

75 .

Camber in pavements is provided by

A)

parabola method

B)

straight line method

C)

straight at the edges and parabolic at the crown

D)

All of the above

Correct Answer : All of the above

76 .

The width of road pavements, depends upon

A)

number of traffic

B)

width of traffic lane

C)

width of median strip

D)

All of the above

Correct Answer : All of the above

77 .

The minimum vertical clearance of overhanging cliffs or any other structure above the surface of a hill road, should be

A)

4.5 m

B)

5 m

C)

6 m

D)

6.5 m

Correct Answer : 5 m

78 .

Speed regulations on roads is decided on the basis of

A)

85 percentile cumulative frequency

B)

80 percentile cumulative frequency

C)

75 percentile cumulative frequency

D)

60 percentile cumulative frequency

Correct Answer : 85 percentile cumulative frequency

79 .

Reconnaissance is best done with the help of

A)

condastral surveys

B)

topographical surveys

C)

aerial photographic survey

D)

triangulation surveys

Correct Answer : aerial photographic survey

80 .

The maximum comfortable retardation applied to moving vehicles, is

A)

3.42 m/secÂ²

B)

4.42 m/secÂ²

C)

5.56 m/secÂ²

D)

7.80 m/secÂ²

Correct Answer : 3.42 m/secÂ²

81 .

The width of pavement in addition to a gravelled berm 1 m on either side for a two directional traffic recommended by Nagpur Conference of Chief Engineers, is

A)

3.7 m

B)

4.7 m

C)

5.7 m

D)

6.7 m

Correct Answer : 6.7 m

82 .

The camber on pavements, is provided by

A)

parabolic method

B)

circular method

C)

straight line and parabolic at crown

D)

straight line method

Correct Answer : straight line and parabolic at crown

83 .

The standard equation of a cubic parabolic transition curve provided on roads, is

A)

y = xÂ³/6RL

B)

y = x/6RL

C)

y = lÂ²/6RL

D)

y = l/6RL

Correct Answer : y = xÂ³/6RL

84 .

The distance travelled by a moving vehicle during perception and brake reaction times, is known as

A)

sight distance

B)

lag distance

C)

stopping distance

D)

None of the above

Correct Answer : lag distance

85 .

Following type of pavement is generally known as flexible pavement

A)

stabilised soil roads

B)

water-bound macadam roads

C)

road constructed with various layers of building material well compacted

D)

All of the above

Correct Answer : All of the above

86 .

The minimum width of the pavement of a National Highway should be

A)

5.7 m

B)

6.7 m

C)

7.7 m

D)

8.0 m

Correct Answer : 5.7 m

87 .

If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be

A)

100/R

B)

80/R

C)

75/R

D)

70/R

Correct Answer : 75/R

88 .

Increase in traffic volume, due to increase in transport vehicles, is known as

A)

current traffic

B)

development traffic

C)

normal traffic growth

D)

generated traffic growth

Correct Answer : normal traffic growth

89 .

If R is the radius of a main curve and L is the length of the transition curve, the shift of the curve, is

A)

L/24 R

B)

LÂ²/24 R

C)

LÂ³/24 R

D)

Lâ´/24 R

Correct Answer : LÂ²/24 R

90 .

Three points, A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have

A)

a positive gradient between A and C

B)

a negative gradient between A and C

C)

a negative gradient between A and B

D)

a positive gradient between A and B followed by a negative gradient between B to C.

Correct Answer : a positive gradient between A and B followed by a negative gradient between B to C.

91 .

According to Highway Research Board of U.S.A. practical land width, is

A)

2.7 m

B)

3.0 m

C)

3.3 m

D)

3.6 m

Correct Answer : 3.6 m

92 .

Design of flexible pavements is based on

A)

empirical formulae

B)

mathematical analysis

C)

a compromise of pure theory and pure empirical formula

D)

None of the above

Correct Answer : a compromise of pure theory and pure empirical formula

93 .

The efficiency of the brakes of a vehicle depends upon

A)

condition of the tyres

B)

condition of road surface

C)

presence of the show moisture

D)

All of the above

Correct Answer : All of the above

94 .

Maximum super-elevation on hill roads should not exceed

A)

7%

B)

8%

C)

10%

D)

15%

Correct Answer : 10%

95 .

Pick up the incorrect statement from the following :

A)

Highways may be provided vertical curves

B)

Highways are always constructed in straight line

C)

Highways may be provided horizontal curves

D)

Highways may be provided both horizontal and vertical curves

Correct Answer : Highways are always constructed in straight line

96 .

If the width of carriage way is 12.5 metres, outer edge 50 cm higher than the inner edge, the required super elevation is

A)

1 in 25

B)

1 in 40

C)

1 in 140

D)

1 in 400

Correct Answer : 1 in 25

97 .

Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 kg/cm², is

A)

17.0 cm

B)

25.5 cm

C)

34.0 cm

D)

42.5 cm

Correct Answer : 25.5 cm

98 .

The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of

A)

steep terrain

B)

mountainous terrain

C)

rolling terrain

D)

None of the above

Correct Answer : rolling terrain

99 .

Passing zones are generally not provided on________.

A)

summit curves

B)

horizontal curves

C)

two lane highways

D)

All of the above

Correct Answer : All of the above

100 .

For Indian conditions, the water bound macadam roads, are suitable if daily traffic does not exceed

A)

3500 tonnes

B)

3000 tonnes

C)

2500 tonnes

D)

2000 tonnes

Correct Answer : 2000 tonnes

101 .

Road width 8.8 m of two lane National highways or State highways in mountainous terrain

A)

excludes the width of parapet (0.6 m)

B)

excludes the width of side drain (0.6 m)

C)

excludes the width of parapet and side drain

D)

includes the width of parapet and side drain

Correct Answer : excludes the width of parapet and side drain

102 .

Transverse joints are provided at distances varying from

A)

25 m to 35 m

B)

17 m to 27 m

C)

16 m to 24 m

D)

12 m to 18 m

Correct Answer : 17 m to 27 m

103 .

If N is the algebraic difference of grades, S is the minimum sight distance in metres, the length (L) of a summit curve is

A)

NSÂ²/4

B)

NÂ²S/4

C)

(NS)Â²/4

D)

None of the above

Correct Answer : NSÂ²/4

104 .

If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is

A)

NSÂ²/4

B)

NSÂ²/4.8

C)

NSÂ²/6.7

D)

NSÂ²/9.6

Correct Answer : NSÂ²/9.6

105 .

The usual width of side drains along Highways in hilly region, is

A)

50 cm

B)

60 cm

C)

70 cm

D)

80 cm

Correct Answer : 60 cm

106 .

Normal formation width of a hill road for one-way traffic, is

A)

7.2 m

B)

6.6 m

C)

4.8 m

D)

3.6 m

Correct Answer : 4.8 m

107 .

The most commonly adopted method to provide super-elevation on roads, is by pivoting the road surface about

A)

outer edge so that the inner edge is lowered

B)

inner edge so that outer edge is raised

C)

crown so that outer edge is raised and inner edge is lowered

D)

None of the above

Correct Answer : inner edge so that outer edge is raised

108 .

The maximum radial distance of a Lemniscate curve, having maximum polar angle a, is

A)

3 R sin 2Î±

B)

3 R sin Î±

C)

3 R sin Î±/2

D)

None of the above

Correct Answer : 3 R sin 2Î±

109 .

According to Indian Road Congress, the width of carriageway, is

A)

3.75 m for single lane

B)

7.5 m for two lanes with raised kerbs

C)

10.5 m for three lanes pavements

D)

All of the above

Correct Answer : All of the above

110 .

The minimum cross fall of shoulders is kept

A)

3%

B)

2.5%

C)

1.5%

D)

1.0%

Correct Answer : 3%

111 .

While calculating the overtaking sight distance, the height of the object above road surface, is assumed

A)

50 cm

B)

75 cm

C)

100 cm

D)

120 cm

Correct Answer : 120 cm

112 .

Set-back distance is the distance between

A)

building line and control line

B)

road land boundary and building line

C)

road land boundary and control line

D)

road land boundary and control line

Correct Answer : road land boundary and building line

113 .

In scanty rainfall regions, the camber provided will be

A)

nil

B)

steeper

C)

flatter

D)

None of the above

Correct Answer : flatter

114 .

An exceptional grade may be provided upto 1 in 12 along hill roads, if the length does not exceed

A)

60 m per km

B)

75 m per km

C)

90 m per km

D)

100 m per km

Correct Answer : 60 m per km

115 .

The head of public works department of any Indian state, is

A)

Chief Engineer

B)

Executive Engineer

C)

Transport Minister

D)

Superintending Engineer

Correct Answer : Chief Engineer

116 .

If a Lemniscate curve having an angle of deflection Î”, is transitional throughout, the maximum polar angle is

A)

Î”/3

B)

Î”/4

C)

Î”/5

D)

Î”/6

Correct Answer : Î”/6

117 .

On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from

A)

11 kg to 13 kg/tonne

B)

9 kg to 11 kg/tonne

C)

5 kg to 7 kg/tonne

D)

7 kg to 9 kg/tonne

Correct Answer : 9 kg to 11 kg/tonne

118 .

Pick up the incorrect statement from the following. The width of the right-of-way is decided so as to accommodate

A)

side slopes

B)

formation width

C)

vertical curve

D)

horizontal curve

Correct Answer : vertical curve

119 .

The type of transition curves generally provided on hill roads, is

A)

spiral

B)

circular

C)

Lemniscate

D)

cubic parabola

Correct Answer : spiral

120 .

Width of vehicles affects the width of

A)

lanes

B)

shoulders

C)

parking spaces

D)

All of the above

Correct Answer : All of the above

121 .

First operation during the detailed survey of a hill road, is

A)

hydrological and soil surveys

B)

fixation of Bench Marks

C)

adjustment of alignment along with curves

D)

derivation of longitudinal and cross-sections

Correct Answer : fixation of Bench Marks

122 .

During last phase of the reconnaissance, details of the grade line is recorded on 2 metre poles to indicate

A)

relative elevations of pegs

B)

direction of the proposed alignment

C)

distance between the previous and forward pegs

D)

All of the above

Correct Answer : All of the above

123 .

Concrete pavement is provided if daily traffic per lane exceeds

A)

1300 tonnes

B)

1250 tonnes

C)

1000 tonnes

D)

750 tonnes

Correct Answer : 1000 tonnes

124 .

If d is the economic designed depth of a slab, the thickness of the cement concrete pavement slab at interior, is kept

A)

0.85 d

B)

0.75 d

C)

0.60 d

D)

None of the above

Correct Answer : 0.85 d

125 .

If the elevations along a road increase, the slope of the road along the longitudinal direction, is known as

A)

grade

B)

gradient

C)

positive grade

D)

negative grade

Correct Answer : gradient

126 .

Retaining walls are generally constructed with dry rubble stones with 60 cm top width and

A)

1 : 2 front batter

B)

1 : 3 front batter

C)

1 : 4 front batter

D)

1 : 5 front batter

Correct Answer : 1 : 3 front batter

127 .

The ability of a driver to stop the vehicle moving with the designed speed, depends upon :

A)

perception time

B)

brake reaction time

C)

efficiency of the brakes

D)

All of the above

Correct Answer : All of the above

128 .

Any gradient on a road is said to be an exceptional gradient, if it is

A)

more than ruling gradient

B)

less than average gradient

C)

more than floating gradient

D)

less than minimum gradient or more than maximum gradient

Correct Answer : less than minimum gradient or more than maximum gradient

129 .

For the administration of road transport, a Motor Vehicle Act was enacted in

A)

1939

B)

1947

C)

1950

D)

1956

Correct Answer : 1939

130 .

Along high ways confirmatory route markers are generally fixed

A)

before the crossing on the left side

B)

after the crossing on the left side

C)

after the crossing on the right side

D)

before the crossing on the right side

Correct Answer : after the crossing on the left side

131 .

Length of vehicles does not affect

A)

extra widening

B)

passing sight distance

C)

width of shoulders

D)

minimum radius of turning

Correct Answer : width of shoulders

132 .

Minimum thickness of the base of a flexible pavement, is

A)

10 cm

B)

15 cm

C)

20 cm

D)

25 cm

Correct Answer : 10 cm

133 .

One-way streets are generally provided in crowded cities as, these

A)

permit higher speed

B)

reduce delays to vehicles

C)

are inexpensive means of traffic flow

D)

All of the above

Correct Answer : All of the above

134 .

Horizontal curves on highways are provided

A)

to break the monotony of driving

B)

to decrease the mental strain on drivers

C)

to discourage the tendency to increase speed

D)

All of the above

Correct Answer : All of the above

135 .

On the recommendations of Nagpur Conference, the minimum width of a village road may be

A)

2.45 m

B)

2.75 m

C)

3.66 m

D)

4.90 m

Correct Answer : 2.45 m

136 .

Formation width of a hill road is the distance between

A)

outer end of side drain to inner end of parapet wall

B)

outer end of side drain to outer end of parapet wall

C)

inner end of side drain to outer end of parapet wall

D)

inner end of side drain to inner end of parapet wall

Correct Answer : outer end of side drain to outer end of parapet wall

137 .

California Bearing Ratio method of designing flexible pavements is more accurate as it involves

A)

traffic intensities

B)

characteristics of soils

C)

character of the road making materials

D)

None of the above

Correct Answer : character of the road making materials

138 .

Longitudinal pavement lines marked broken in white paint

A)

are not to be crossed over

B)

are for the guidance of the drivers

C)

Both (A) and (B)

D)

may be crossed over at the discretion of the driver

Correct Answer : may be crossed over at the discretion of the driver

139 .

In retaining and breast walls, weep holes are provided at

A)

120 cm vertical height and 100 cm centre to centre horizontally

B)

100 cm vertical height and 120 cm centre to centre horizontally

C)

100 cm vertical height and 100 cm centre to centre horizontally

D)

50 cm vertical height and 50 cm centre to centre horizontally

Correct Answer : 100 cm vertical height and 120 cm centre to centre horizontally

140 .

In complex situations, total time required for a driver to form a judgement and to act, may be taken as

A)

3.0 sec

B)

2.5 sec

C)

2.0 sec

D)

1.5 sec

Correct Answer : 3.0 sec

141 .

In water bound macadam roads, binding material, is_______.

A)

Stone dust

B)

Sand

C)

Cement

D)

Brick dust

Correct Answer : Stone dust

142 .

If A is the projected area of a vehicle in square metres, V is speed of the vehicles in kilometres per hour and C is a constant, then the wind resistance R to the moving vehicles, is given by_______.

A)

R = CAV

B)

R = CÂ²AV

C)

R = CAVÂ²

D)

R = CAVÂ³

Correct Answer : R = CAVÂ²

143 .

The usual width of parapet walls along Highways in hilly region, is

A)

90 cm

B)

80 cm

C)

70 cm

D)

60 cm

Correct Answer : 60 cm

144 .

The road foundation for modern highways construction, was developed by_______.

A)

Macadam

B)

Telford and Macadam simultaneously

C)

Tresguet

D)

Tresguet and Telford simultaneously

Correct Answer : Telford and Macadam simultaneously

145 .

To prevent compressive stresses in a rigid concrete pavement, the joint prvoided, is

A)

hinged joint

B)

expansion joint

C)

contraction joint

D)

All of the above

Correct Answer : All of the above

146 .

In case of cement concrete pavements, pick up the incorrect statement

A)

initial cost of construction is low

B)

tractive resistance is low

C)

visibility during nights is high

D)

initial cost of construction is high

Correct Answer : initial cost of construction is low

147 .

The radius of curvature provided along a transition curve, is

A)

minimum at the beginning

B)

same throughout its length

C)

varying from infinity to the radius of circular curve

D)

equal to the radius of circular curve

Correct Answer : varying from infinity to the radius of circular curve

148 .

The gradients of trace cuts for hilly roads, are kept

A)

equal to ruling gradient

B)

10 to 20 per cent easier than ruling gradients

C)

10 to 20 per cent steeper than ruling gradients

D)

None of the above

Correct Answer : 10 to 20 per cent easier than ruling gradients

149 .

To indicate proper control of consistency of a freshly mixed concrete for pavement construction, the slump should be between______.

A)

4 to 6 cm

B)

5 to 7 cm

C)

7 to 10 cm

D)

10 to 12 cm

Correct Answer : 7 to 10 cm

150 .

Driving vehicles on wet surfaced roads, is dangerous because it may_______.

A)

slip

B)

skid

C)

overturn

D)

All of the above

Correct Answer : slip

151 .

The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is

A)

same for State Highways

B)

same for National Highways

C)

same for Major District roads

D)

different for National Highways

Correct Answer : different for National Highways

152 .

If D is the degree of a curve, the percentage reduction of gradient, is

A)

0.01 D

B)

0.02 D

C)

0.03 D

D)

0.04 D

Correct Answer : 0.04 D

153 .

If L is the length of a moving vehicle and R is the radius of curve, the extra mechanical width b to be provided on horizontal curves,_____.

A)

LÂ³/2R

B)

LÂ²/2R

C)

L/2R

D)

L/R

Correct Answer : LÂ²/2R

154 .

The desirable camber for straight cement concrete roads, is

A)

1 in 33 to 1 in 25

B)

1 in 40 to 1 in 33

C)

1 in 160 to 1 in 140

D)

1 in 150 to 1 in 140

Correct Answer : 1 in 160 to 1 in 140

155 .

The perpendicular offset from the tan-get to the central point of the circular curve, is

A)

R (1 - cos Î¸/2)

B)

R cos Î¸/2

C)

R (1 - sin Î¸/2)

D)

R sin Î¸/2

Correct Answer : R (1 - cos Î¸/2)

156 .

An Executive Engineer of roads, executes works under direct control of

A)

Chief Engineer

B)

Secretary to the Govt

C)

Superintending Engineer

D)

None of the above

Correct Answer : Superintending Engineer

157 .

Newly constructed pavement with ordinary Portland cement attains its working strength after

A)

42 days

B)

28 days

C)

21 days

D)

14 days

Correct Answer : 28 days

158 .

Curves in the same direction separated by short tangents, are called

A)

compound curves

B)

transition curves

C)

simple circular curves

D)

broken-back curves

Correct Answer : broken-back curves

159 .

When an up gradient of a highway meets a downgrade, the vertical curve provided, is known as

A)

sag curve

B)

summit curve

C)

valley curve

D)

None of the above

Correct Answer : summit curve

160 .

If the coefficient of friction on the road surface is 0.15 and a maximum super-elevation 1 in 15 is provided, the maximum speed of the vehicles on a curve of 100 metre radius, is

A)

52.44 km/hour

B)

62.44 km/hour

C)

72.44 km/hour

D)

82.44 km/hour

Correct Answer : 52.44 km/hour

161 .

At intersection of roads, the traffic volume study is carried out to ascertain the number of vehicles

A)

turning left

B)

turning right

C)

moving along straights

D)

All of the above

Correct Answer : All of the above

162 .

Widening of the roads on curves in hilly region, is done______.

A)

on the outer side

B)

on the outer and inner sides equally

C)

on the inner side

D)

less on outer side and more on inner side

Correct Answer : on the inner side

163 .

For a properly designed vehicle, the resistance generally ignored, is

A)

wind resistance

B)

grade resistance

C)

axle resistance

D)

rolling resistance

Correct Answer : axle resistance

164 .

The top height of a route marker above crown level is

A)

1.50 m

B)

1.75 m

C)

2.00 m

D)

2.25 m

Correct Answer : 2.25 m

165 .

Design of flexible pavement, involves

A)

wheel loads

B)

climate of the region

C)

intensity of traffic

D)

sub-grade conditions

Correct Answer : climate of the region

166 .

Design of highways is based on

A)

axle loads

B)

wheel bases

C)

axle spacings

D)

All of the above

Correct Answer : All of the above

167 .

On a pavement with parabolic camber, the angle of inclination of the vehicles will be_______.

A)

more at the edges

B)

less at the edges

C)

more at the crown

D)

same at the edges as well as at the crown

Correct Answer : more at the edges

168 .

The difference in gradients after full super-elevation and the initial alignment of a road, is known as

A)

ruling gradient

B)

rising gradient

C)

differential gradient

D)

compensated gradient

Correct Answer : differential gradient

169 .

If the radius of a main curve is 300 m and length of the transition curve is 100 m, the angle with tangent to locate the junction point, is

A)

1Â° 11'

B)

2Â° 11'

C)

3Â° 11'

D)

4Â° 11'

Correct Answer : 3Â° 11'

170 .

Minimum radius of a simple circular curve deflecting through 5Â°, is

A)

1618.9 m

B)

1718.9 m

C)

1816.9 m

D)

1817.9 m

Correct Answer : 1718.9 m

171 .

If the designed speed on a circular curve of radius 1400 m is 80 km/hour, no superelevation is provided, if the camber, is

A)

1.7%

B)

2%

C)

3%

D)

4%

Correct Answer : 2%

172 .

Width of a rotary round should be equal to

A)

width of the widest road

B)

width of the widest road plus 2 metres

C)

twice the width of narrowest radial road

D)

width of the widest road plus the width of one lane

Correct Answer : width of the widest road plus the width of one lane

173 .

If L metres is the distance between extreme axles of a vehicle, its gross load should not exceed

A)

1525 (L + 7.3) - 14.7 LÂ²

B)

1525 (L + 6.3) - 14.7 LÂ²

C)

1526 (L + 5.3) - 14.7 LÂ²

D)

1525 (L + 4.3) - 14.7 LÂ²

Correct Answer : 1525 (L + 7.3) - 14.7 LÂ²

174 .

Border Roads Organisation for hilly regions, was formed in

A)

1954

B)

1958

C)

1960

D)

1962

Correct Answer : 1960

Explanation : The Border Roads Organization (BRO) was conceived and raised in the year 1960 by Pandit Jawaharlal Nehru, the great visionary and the first Prime Ministry of India.

This was done with the aim of coordinating the speedy development of network of roads in the North and the North Eastern border regions of the country.

BRO is regarded as a symbol of nation-building, national integration and an inseparable component in maintaining the security and integrity of the country.

175 .

Pick up the incorrect statement from the following. The super-elevation on roads is

A)

directly proportional to width of pavement

B)

inversely proportional to the radius of curvature

C)

directly proportional to velocity of vehicles

D)

inversely proportional to acceleration due to gravity

Correct Answer : directly proportional to velocity of vehicles

176 .

The width of the right of way in urban area, is kept between 24 m to 60 m for

A)

State Highways

B)

National Highways

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Both (A) and (B)

177 .

If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition curve to be provided at either end, is

A)

65 m

B)

70 m

C)

75 m

D)

80 m

Correct Answer : 70 m

178 .

The full width of land acquired before finalising a highway, alignment is known

A)

right of way

B)

roadway

C)

carriage way

D)

width of formation

Correct Answer : right of way

179 .

On earth roads, the camber should preferably be

A)

1 in 15 to 1 in 20

B)

1 in 10 to 1 in 15

C)

1 in 30 to 1 in 48

D)

1 in 20 to 1 in 24

Correct Answer : 1 in 20 to 1 in 24

180 .

The convexity provided to the carriageway between the crown and edge of the pavement, is known as

A)

camber

B)

super-elevation

C)

height of the pavement

D)

None of the above

Correct Answer : camber

181 .

Alignment of highways in hilly regions, is decided on

A)

saddles or passes

B)

natural unstable areas

C)

long stretch of very hard cutting

D)

All of the above

Correct Answer : All of the above

182 .

If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the maximum polar angle of the curve, is

A)

15Â°

B)

20Â°

C)

30Â°

D)

45Â°

Correct Answer : 30Â°

183 .

If the cross slope of a country is 25% to 60%, the terrain is classified as

A)

plain

B)

mountainous

C)

steep

D)

rolling

Correct Answer : mountainous

184 .

Minimum permissible speed on high speed roads, is decided on the basis of

A)

10 percentile cumulative frequency

B)

15 percentile cumulative frequency

C)

20 percentile cumulative frequency

D)

30 percentile cumulative frequency

Correct Answer : 15 percentile cumulative frequency

185 .

The ideal shape of a transition curve, is

A)

clothoid

B)

lamniscate

C)

cubic spiral

D)

cubic parabola

Correct Answer : clothoid

186 .

At a road junction, 7 cross conflict points are severe if

A)

both are one-way roads

B)

both are two-way roads

C)

one is two-way road and other is one-way road

D)

None of the above

Correct Answer : one is two-way road and other is one-way road

187 .

On concrete roads, the camber generally provided, is

A)

1 in 30 to 1 in 48

B)

1 in 36 to 1 in 48

C)

1 in 48 to 1 in 60

D)

1 in 60 to 1 in 72

Correct Answer : 1 in 60 to 1 in 72

188 .

While calculating the sight distances, the driver's eye above road surface, is assumed

A)

120 cm

B)

110 cm

C)

100 cm

D)

90 cm

Correct Answer : 120 cm

189 .

If the number of lanes on the carriageway of a road is more than two, the total width of lane ways is equal to 3.0 m

A)

+ 0.60 m

B)

+ 0.70 m

C)

+ 0.90 m

D)

+ 1.50 m

Correct Answer : + 0.70 m

190 .

Minimum thickness of a layer of fine sand required to cut off capillary rise of water completely, should be

A)

80 cm

B)

76 cm

C)

64 cm

D)

52 cm

Correct Answer : 76 cm

191 .

If W is the weight of a vehicle negotiating an upgrade 1 : S along a track having co-efficient of resistance Î¼, the tractive force T is given by

A)

S = P/Î¼+T

B)

P = T/Î¼+S

C)

Î¼ = P/S+T

D)

Î¼ = S/P+T

Correct Answer : Î¼ = P/S+T

192 .

Reinforcement in cement concrete slab of road pavements, is placed

A)

transversely

B)

longitudinally

C)

longitudinally and transversely

D)

in the form of welded wire mesh

Correct Answer : in the form of welded wire mesh

193 .

According to IRC : 52-1973, for a single lane National Highway in hilly region,

A)

width of the carriageway must be 3.75 m

B)

shoulders on either side must be 1.25 m

C)

total width of the road-way must be 6.25 m

D)

Total of the above

Correct Answer : Total of the above

194 .

In an ideal transition curve, the radius of curvature

A)

is constant

B)

is inversely proportional to the radius of main curve

C)

is directly proportional to the radius of main curve

D)

at any point is directly proportional to its distance from the point of commencement

Correct Answer : is inversely proportional to the radius of main curve

195 .

If x% is the gradient of an alignment and y% is the gradient after proper superelevation along a curved portion of a highway, the differential grade along the curve, is_____.

A)

(y - x)%

B)

(x + y)%

C)

(x x y)%

D)

(y + x)%

Correct Answer : (y - x)%

196 .

The maximum distance of the apex of a vertical curve of length L from the point of intersection of two grades + g1%, and - g2% (g1 > g2), is

A)

L(gâ‚-gâ‚‚) / 400

B)

L(gâ‚-gâ‚‚) / 800

C)

L(gâ‚+gâ‚‚) / 800

D)

L(gâ‚‚-gâ‚) / 300

Correct Answer : L(gâ‚+gâ‚‚) / 800

197 .

The wall constructed for the stability of a back filling portion of a road on the down hill side, is known as

A)

breast wall

B)

retaining wall

C)

parapet wall

D)

All of the above

Correct Answer : retaining wall

198 .

If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and average length of vehicles is 6 metres, the basic capacity of lane, is

A)

500 vehicles per hour

B)

700 vehicles per hour

C)

1000 vehicles per hour

D)

1250 vehicles per hour

Correct Answer : 1000 vehicles per hour

199 .

In case of a multi-lane road, overtaking is generally permitted

A)

from left

B)

from right

C)

from both sides right and left

D)

None of the above

Correct Answer : from both sides right and left

200 .

The pavement width of a road depends upon

A)

terrain

B)

type of traffic

C)

Both (A) and (B)

D)

number of lanes

Correct Answer : number of lanes

201 .

For a vehicle moving with a speed of 80 km per hour, the brake reaction time, in ordinary cases, is

A)

2.5 sec

B)

2.0 sec

C)

1.5 sec

D)

1 sec

Correct Answer : 2.5 sec

202 .

The desirable camber for straight roads with thin bituminous surfacing, is

A)

1 in 160 to 1 in 140

B)

1 in 150 to 1 in 140

C)

1 in 40 to 1 in 33

D)

1 in 33 to 1 in 25

Correct Answer : 1 in 150 to 1 in 140

203 .

When load is applied on concrete pavement

A)

away from edges, the maximum bending moment is negative

B)

away from edges, the maximum bending moment cause compression

C)

on the edges, the maximum stress is parallel to the edge of the slab

D)

None of the above

Correct Answer : on the edges, the maximum stress is parallel to the edge of the slab

204 .

Pick up the incorrect statement from the following. On highways circular curves may be_______.

A)

vertical curves

B)

reverse curves

C)

compound curves

D)

All of the above

Correct Answer : All of the above

205 .

At a road junction, 16 cross conflict points are severe, if

A)

both are two-way roads

B)

both are one-way roads

C)

one is two-way road and other is one-way road

D)

None of the above

Correct Answer : both are two-way roads

206 .

To ensure that bullock carts may not overturn on curves, the maximum value of super-elevation, recommended by I.R.C., is______.

A)

1 in 12

B)

1 in 15

C)

1 in 20

D)

1 in 25

Correct Answer : 1 in 15

207 .

For a 6.6 m wide two lane pavement, berms are provided on either side having a width of

A)

1.00 m

B)

1.25 m

C)

1.50 m

D)

1.75 m

Correct Answer : 1.50 m

208 .

For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of

A)

Kelly's formula

B)

Picker's formula

C)

Goldbeck's formula

D)

Westergard's formula

Correct Answer : Picker's formula

209 .

1.R.T.D.A. (Indian Roads and Transport Development Association) was set up at Bombay in_____.

A)

1917

B)

1937

C)

1942

D)

1927

Correct Answer : 1927

210 .

The total value of extra widening required at a horizontal curve on a two lane hill road of radius 42 m for a design speed of 50 kmph and for vehicles with wheel base 6 m, is

A)

0.500 m

B)

0.089 m

C)

0.589 m

D)

1.089 m

Correct Answer : 1.089 m

211 .

Depth of reinforcement below the surface of a concrete pavement, is generally kept

A)

5 cm

B)

6 cm

C)

7 cm

D)

8 cm

Correct Answer : 5 cm

212 .

Volume of traffic which is due to improvement carried out in adjacent area, is known as

A)

current traffic

B)

normal traffic growth

C)

development traffic

D)

generated traffic growth

Correct Answer : development traffic

213 .

Roughness index of roads, is expressed as

A)

type of the road surface

B)

size of the stone on the pavement

C)

number of patches on the pavement

D)

cumulative deformation of surface per horizontal distance

Correct Answer : cumulative deformation of surface per horizontal distance

214 .

Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of

A)

10 metres

B)

20 metres

C)

25 metres

D)

30 metres

Correct Answer : 20 metres

215 .

The tangent length of a simple circular curve of radius R deflecting through Î¸Â°, is

A)

R sin Î¸

B)

R sin Î¸/2

C)

R tan Î¸/2

D)

R cot Î¸/2

Correct Answer : R tan Î¸/2

216 .

The weaving length of a roadway is the distance_____.

A)

between the channelising islands

B)

equal to half circumference

C)

equal to diameter of rotary

D)

equal to total width of adjoining radial roads

Correct Answer : between the channelising islands

217 .

Road makers along roads from the edge of a kerb should not be less than

A)

45 cm

B)

50 cm

C)

55 cm

D)

60 cm

Correct Answer : 60 cm

218 .

Traffic surveys are carried out

A)

to know the type of traffic

B)

to design proper drainage system

C)

to determine the facilities to traffic regulations

D)

All of the above

Correct Answer : All of the above

219 .

For the movement of vehicles at an intersection of two roads, without any interference, the type of grade separator generally preferred to, is

A)

trumpet

B)

clover leaf

C)

delta

D)

diamond interchange

Correct Answer : clover leaf

220 .

If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is

A)

2.25%

B)

2.50%

C)

2.75%

D)

3.00%

Correct Answer : 2.75%

221 .

Setting out of Lemniscate transition curves, is done with

A)

polar deflection angles

B)

radial offsets

C)

deflection angles

D)

perpendicular offsets

Correct Answer : polar deflection angles

222 .

Reference pillars fixed on the centre line of a proposed road, provide the following information :

A)

reduced distance (R.D.)

B)

reduced level at the top of pillar

C)

horizontal distance of road from the centre line

D)

All of the above

Correct Answer : All of the above

223 .

The normal road land width for a major district road in open area, is______.

A)

12 m

B)

15 m

C)

25 m

D)

45 m

Correct Answer : 25 m

224 .

Minimum stopping distance for moving vehicles on road with a design speed of 80 km/hour, is

A)

100 m

B)

120 m

C)

150 m

D)

200 m

Correct Answer : 120 m

225 .

If the radii of a compound curve and a reverse curve are respectively the same, the length of common tangent

A)

of compound curve will be more

B)

of reverse curve will be more

C)

of both curves will be equal

D)

None of the above

Correct Answer : of both curves will be equal

226 .

The ratio of maximum deviation angle and maximum polar deflection angle of a Lemniscate curve, is____.

A)

3

B)

4

C)

5

D)

6

Correct Answer : 3

227 .

If brakes of vehicles are effective, the vehicle-running at 30 km/hour comes to a stop in

A)

12 metres

B)

15 metres

C)

18 metres

D)

21 metres

Correct Answer : 12 metres

228 .

Full amount of extra width of a pavement on the curve, is provided at

A)

centre of the circular curve

B)

centre of the transition curve

C)

beginning of the transition curve

D)

beginning of the circular curve

Correct Answer : beginning of the circular curve

229 .

Roadway width for a National highways and State highways (two-lanes) is

A)

9.5 m

B)

12 m

C)

15 m

D)

20 m

Correct Answer : 12 m

230 .

Which one of the following transportation systems is not used for the conveyance of passengers in India?

A)

roads

B)

railways

C)

pipe lines

D)

air lines

Correct Answer : pipe lines

231 .

Thickness of broken line markings on multi-lane road for lanes is generally kept

A)

10 cm

B)

12 cm

C)

15 cm

D)

18 cm

Correct Answer : 10 cm

232 .

As per recommendations of I.R.C., traffic volume study is carried out for rural roads for 7 days continuously during

A)

harvesing

B)

lean season

C)

harvesting and lean season

D)

None of the above

Correct Answer : harvesting and lean season

233 .

The minimum ratio of the radii of two circular curves of a compound curve, is kept

A)

1.5

B)

1.25

C)

2.0

D)

1.75

Correct Answer : 1.25

234 .

A district road with a bituminous pavement has a horizontal curve of 1000 m for a design speed of 75 km ph. The super-elevation is

A)

1 in 80

B)

1 in 40

C)

1 in 50

D)

1 in 60

Correct Answer : 1 in 40

235 .

The minimum value of camber provided for thin bituminous surface hill roads, is

A)

3.5%

B)

3.0%

C)

2.5%

D)

2.2%

Correct Answer : 2.5%

236 .

Design of horizontal and vertical alignments, super-elevation, sight distance and grades, is worst affected by

A)

speed of the vehicle

B)

width of the vehicle

C)

length of the vehicle

D)

height of the vehicle

Correct Answer : speed of the vehicle

237 .

Side drains on both sides of a hill road, are essential when the road is

A)

in cutting

B)

along the spur curves

C)

along the re-entrant curves

D)

None of the above

Correct Answer : in cutting

238 .

Parapet walls along hill roads, are provided

A)

to retain the back filling

B)

to prevent the hill from sliding

C)

to prevent the wheels of the vehicle from coming on the retaining wall

D)

None of the above

Correct Answer : to prevent the wheels of the vehicle from coming on the retaining wall

239 .

From the point of tangency before an intersection, the route markers are fixed at a distance of

A)

20 m to 35 m

B)

40 m to 50 m

C)

50 m to 75 m

D)

100 m to 150 m

Correct Answer : 100 m to 150 m

240 .

A gradient along which the vehicle does not require any tractive effort to maintain a specified speed, is known as

A)

minimum gradient

B)

floating gradient

C)

ruling gradient

D)

pushing gradient

Correct Answer : floating gradient

241 .

If the difference in elevation of an edge of the pavement 9 m wide and its crown is 15 cm, the camber of the pavement, is

A)

1 in 30

B)

1 in 45

C)

1 in 60

D)

1 in 75

Correct Answer : 1 in 30

242 .

If degree of a road curve is defined by assuming the standard length of an arc as 30 metres, the radius of 1Â° curve is equal

A)

1146 m

B)

1573 m

C)

1619 m

D)

1719 m

Correct Answer : 1719 m

243 .

The minimum superelevation in rolling terrain in plains, is limited to

A)

5%

B)

7%

C)

7%

D)

10%

Correct Answer : 7%

244 .

In a right angle bend of a road provided with a transition throughout, the maximum polar angle will be

A)

10Â°

B)

15Â°

C)

20Â°

D)

30Â°

Correct Answer : 15Â°

245 .

Minimum radius of curvature of National Highways or State highways in hill region free from snow, is kept

A)

25 m

B)

33 m

C)

50 m

D)

60 m

Correct Answer : 50 m

246 .

The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient

A)

1 in 20

B)

1 in 25

C)

1 in 30

D)

1 in 40

Correct Answer : 1 in 20

247 .

Thickness of a pavement may be reduced considerably by

A)

drainage of soil

B)

compaction of soil

C)

stabilisation of soil

D)

combination of all the above

Correct Answer : combination of all the above

248 .

The total length of a valley formed by two gradients - 3% and + 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 m/sec², for a design speed 100 km ph, is

A)

84.6 m

B)

42.3 m

C)

16.0 m

D)

All of the above

Correct Answer : 84.6 m

249 .

The number of vehicles moving in a specified direction on a roadway that pass a given point during specified unit of time, is called

A)

basic capacity

B)

traffic volume

C)

traffic capacity

D)

traffic density

Correct Answer : traffic volume

250 .

Bottom-most component of a flexible pavement, is

A)

base

B)

subgrade

C)

sub-base

D)

base course

Correct Answer : subgrade

251 .

Pavement is said to be flexible if it contains

A)

water bound macadam surface

B)

bitumen-bound stone layer of varying aggregates

C)

stabilised soil base constructed of lime cement or tar

D)

All of the above

Correct Answer : All of the above

252 .

In ideal pavement is constructed with

A)

tar

B)

bricks

C)

hard soil

D)

Portland cement concrete

Correct Answer : Portland cement concrete

253 .

The length of a transition curve, is governed by

A)

rate of change of super-elevation

B)

rate of change of radial acceleration

C)

Both (A) and (B)

D)

Neither (A) nor (B)

Correct Answer : Both (A) and (B)

254 .

Ruling gradient on hill roads 300 m above M.S.L. is kept

A)

5%

B)

6%

C)

7%

D)

8%

Correct Answer : 5%

255 .

In welded wire mesh, the longitudinal wire is placed at______.

A)

10 cm centres

B)

15 cm centres

C)

20 cm centres

D)

25 cm centres

Correct Answer : 15 cm centres