Civil Engineering Railways Quiz (or) MCQ

1 .

What is Railway Engineering?

A)

Railway engineering deals with the design, construction, and operation of railway systems

B)

Railway engineering deals with the design, construction, and operation of highway bridges

C)

Railway engineering deals with the design, construction, and operation of road transportation

D)

None of the above

Correct Answer : Railway engineering deals with the design, construction, and operation of railway systems

Explanation : Railway engineering is an engineering discipline dealing with the design, construction and operation of all types of rail transportation systems.

2 .

Which of the following are types of gauges present in Indian railways?

A)

Broad gauge, standard gauge and metre gauge

B)

Standard gauge, metre gauge and narrow gauge

C)

Broad gauge, metre gauge and 2 narrow gauges

D)

Metre gauge, narrow gauge and 2 broad gauges

Correct Answer : Broad gauge, metre gauge and 2 narrow gauges

Explanation : There are 4 different types of gauges in Indian railways namely: broad gauge, meter gauge and 2 narrow gauges. The sizes of these gauges are: Broad gauge – 1676 mm, Metre gauge – 1000 mm, Narrow gauge – 762 mm and Narrow gauge – 610 mm.

3 .

Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways

A)

1.000 m as a standard gauge

B)

1.676 m as a compromise gauge

C)

1.435 m as adopted in England

D)

1.800 m as per Indian conditions

Correct Answer : 1.676 m as a compromise gauge

4 .

If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is

A)

0.065 m

B)

0.055 m

C)

0.045 m

D)

0.035 m

Correct Answer : 0.065 m

5 .

For even distribution of load through ballast, load dispersal is assumed as

A)

20Â° to the vertical

B)

25Â° to the vertical

C)

30Â° to the vertical

D)

45Â° to the vertical

Correct Answer : 45Â° to the vertical

6 .

The side of a rail diamond may be obtained by dividing the gauge of track by

A)

tangent of acute crossing

B)

consine of acute crossing

C)

sine of acute crossing

D)

cotangent of acute crossing

Correct Answer : sine of acute crossing

7 .

Wing rails are provided

A)

in crossing

B)

near tongue rails

C)

near check rails

D)

near stock rails

Correct Answer : in crossing

8 .

Burnettising is done for the preservation of

A)

rails

B)

ballast

C)

wooden sleepers

D)

None of the above

Correct Answer : wooden sleepers

9 .

Wheels of a rolling stock are provided flanges on

A)

outer side

B)

inner side

C)

both sides

D)

neither side

Correct Answer : inner side

10 .

The arrangement of rails which permit trains to cross another track and also to divert to the other track, is called

A)

cross over

B)

diamond crossing

C)

diamond crossing with single slip

D)

diamond crossing with double slip

Correct Answer : diamond crossing with double slip

11 .

To achieve best performance, the type of switch preferred to, is

A)

overriding switch

B)

undercut switch

C)

straight-cut switch

D)

None of the above

Correct Answer : overriding switch

12 .

Which of the following is not a component of the rail?

A)

Web

B)

Head

C)

Foot

D)

Ballast

Correct Answer : Ballast

Explanation : The rail consists of three parts, a head, a web and a foot. Ballast is a separate component which is not a part of the rail section.

13 .

Which of the following rail line is not a part of the "Mountain Railways of India"?

A)

Kalka â€“ Shimla Railway

B)

Nilgiri Mountain Railway

C)

Lumding â€“ Badarpur Railway

D)

Darjeeling Himalayan Railway

Correct Answer : Lumding â€“ Badarpur Railway

Explanation : The “Mountain Railways of India” consists of three rail lines namely: Darjeeling Himalayan Railway, Nilgiri Mountain Railway and Kalka – Shimla Railway. These lines are narrow gauge and are not included in the Project Unigauge. They are included in the UNESCO World Heritage sites.

14 .

India's first passenger train from BoriBunder (Mumbai) to Thane was run on which of the following gauge?

A)

Metre gauge

B)

Broad gauge

C)

Narrow gauge

D)

Standard gauge

Correct Answer : Broad gauge

Explanation : On 16th April 1853, India’s first passenger train ran from BoriBunderto Thane on broad gauge track. It carried 400 passengers and covered a distance of 34 km. It consisted of 14 carriages and was hauled by 3 steam locomotives.

15 .

Which of the following is the most used ballast on Indian railways?

A)

Sand ballast

B)

Coal ash ballast

C)

Brickbat ballast

D)

Broken stone ballast

Correct Answer : Broken stone ballast

Explanation : Broken stone ballast is the most used ballast on Indian railways. It is economical in the long run and can be used for high speed tracks.

16 .

A CST-9 sleeper consists of

A)

two inverted triangular pots on either side of rail seat

B)

a tie bar and 4 cotters to connect two cast iron plates

C)

a central plate with a projected key and box on the top of plate

D)

All of the above

Correct Answer : All of the above

Explanation : * two inverted triangular pots on either side of rail seat
* a tie bar and 4 cotters to connect two cast iron plates
* a central plate with a projected key and box on the top of plate
* a single two way key provided on the gauge side to hold the rail to sleeper

17 .

Charles Vignoles invented the flat footed rails in

A)

1836

B)

1846

C)

1856

D)

1873

Correct Answer : 1836

18 .

The main advantage of a cement concrete sleeper, is :

A)

its capacity to maintain gauge

B)

its suitability for track circuiting

C)

its heavy weight which improves the track modulus

D)

All of the above

Correct Answer : All of the above

Explanation : * its capacity to maintain gauge
* its suitability for track circuiting
* its heavy weight which improves the track modulus
* its flat bottom which is very suitable for modern track

19 .

Rail tops of a track are placed

A)

at an outward slope of 1 in 20

B)

at an inward slope of 1 in 20

C)

at an outward slope of 1 in 30

D)

at an inward slope of 1 in 30

Correct Answer : at an inward slope of 1 in 20

20 .

30 m long rails are used in

A)

U.K

B)

U.S.A

C)

Russia

D)

India

Correct Answer : U.S.A

21 .

Minimum gradient in station yards is generally limited to

A)

zero

B)

1 in 400

C)

1 in 500

D)

1 in 750

Correct Answer : zero

22 .

If n is length of a rail in metres, the number of sleepers per rail length generally varies from

A)

n to (n + 2)

B)

(n + 2) to (n + 4)

C)

(n + 3) to (n + 6)

D)

(n + 4) to (n + 5)

Correct Answer :

23 .

Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by an arc of

A)

15 m

B)

20 m

C)

30 m

D)

30.5 m

Correct Answer : 30.5 m

24 .

Pot sleepers are used if degree of the curve does not exceed

A)

4Â°

B)

5Â°

C)

6Â°

D)

7Â°

Correct Answer : 4Â°

25 .

The standard dimensions of a wooden sleeper for M.G. railway track are

A)

1.52 m x 15 cm x 10 cm

B)

1.83 m x 20 cm x 11 cm

C)

1.75 m x 20 cm x 12 cm

D)

2.74 m x 25 cm x 13 cm

Correct Answer : 1.83 m x 20 cm x 11 cm

26 .

Which of the following is an advantage of railway transport?

A)

Railways are the cheapest mode of transport compared with other modes of transports

B)

Railways help a countryâ€™s industrialization process by easily transporting coal and raw materials at a lower rate

C)

Railways make it easier to travel long distances and carry bulky goods that are not easily carried by motor vehicles

D)

All of the above

Correct Answer : All of the above

Explanation : Railway transport helps industrialization process easily by transporting coal and raw materials. Carrying capacity of the railways is extremely large and also cheapest mode of transport compared with other modes of transports.

27 .

Railway rails are made of which of the following?

A)

Cast iron

B)

Mild steel

C)

High carbon steel

D)

Wrought iron

Correct Answer : High carbon steel

Explanation : Railway rails are made up of high carbon steel.

28 .

As per the Indian Railways, the maximum height and maximum width of the rolling stock for Broad Gauge (BG) is _____ mm and _____ mm respectively.

A)

3455 mm and 2745 mm

B)

3455 mm and 3250 mm

C)

4140 mm and 3250 mm

D)

4830 mm and 3600 mm

Correct Answer : 4140 mm and 3250 mm

Explanation : According to the Indian Railways, the maximum height and maximum width of rolling stock for Broad Gauge (BG) is 4140 mm and 3250 mm respectively and for Metre Gauge (MG), the values are 3455 mm and 2745 mm. These dimensions should be strictly followed and maintained while designing the rolling stocks for Indian Railways.

29 .

To design a cross-over between parallel tracks, the required components are :

A)

two switch points, two acute angle crossings and four check rails

B)

two switch, points, two acute angle crossings and two check rails

C)

two switch points, two acute angle crossings and six check rails

D)

None of the above

Correct Answer : two switch points, two acute angle crossings and four check rails

30 .

The first Indian railway was laid in

A)

1876

B)

1853

C)

1825

D)

1800

Correct Answer : 1853

31 .

The weight of the rails depends upon

A)

speed of trains

B)

spacing of sleepers

C)

nature of traffic

D)

All of the above

Correct Answer : All of the above

Explanation : * speed of trains
* spacing of sleepers
* nature of traffic
* gauge of the tracks

32 .

Pick up the correct statement from the following :

A)

Chairs are used for bull headed rails

B)

Bearing plates are used on soft wooden sleepers

C)

Rails are directly laid over hard wooden sleepers and fixed with spikes

D)

All of the above

Correct Answer : All of the above

Explaination : * Adzing is done on hard wooden sleepers
* Chairs are used for bull headed rails
* Bearing plates are used on soft wooden sleepers
* Rails are directly laid over hard wooden sleepers and fixed with spikes

33 .

The gradient on which an additonal engine is required to negotiate the gradient, is called

A)

ruling gradient

B)

pusher gradient

C)

steep gradient

D)

momentum gradient

Correct Answer : pusher gradient

34 .

Pick up the correct statement from the following :

A)

For most economical layout of yards, the gathering lines are laid at the limiting angle

B)

The line which connects a number of parallel tracks, and also provides an access to main track, is called a gathering line

C)

With a diagonal gathering line, the length of the siding decreases with increase of its distance from main track

D)

All of the above

Correct Answer : All of the above

Explaination : * For most economical layout of yards, the gathering lines are laid at the limiting angle
* The line which connects a number of parallel tracks, and also provides an access to main track, is called a gathering line
* With a diagonal gathering line, the length of the siding decreases with increase of its distance from main track
* To have sidings of same length, a diagonal line is laid at one end and a parallel gathering line at the other end

35 .

For inspection and packing of ballast, each pot sleeper is provided with

A)

one hole

B)

two holes

C)

three holes

D)

four holes

Correct Answer : two holes

36 .

Each block of a two-block concrete sleeper is

A)

250 mm x 154 mm x 196 mm and 260 kg in weight

B)

525 mm x 350 mm x 275 mm and 280 kg in weight

C)

722 mm x 295 mm x 271 mm and 215 kg in weight

D)

None of the above

Correct Answer : 722 mm x 295 mm x 271 mm and 215 kg in weight

37 .

The effective bearing area of all types of sleepers, is

A)

0.46 mÂ²

B)

0.44 mÂ²

C)

0.42 mÂ²

D)

0.40 mÂ²

Correct Answer : 0.46 mÂ²

38 .

If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium superelevation is

A)

GVÂ²/R

B)

GVÂ²/7R

C)

GVÂ²/127R

D)

GVÂ²/130R

Correct Answer : GVÂ²/127R

39 .

The standard width of ballast for B.G.track in Indian Railways, is kept

A)

3.35 m

B)

3.53 m

C)

2.35 m

D)

2.53 m

Correct Answer : 3.35 m

40 .

The angle between the gauge faces of the stock rail and tongue rail, is called

A)

angle of turnout

B)

switch angle

C)

angle of crossing

D)

None of the above

Correct Answer : switch angle

41 .

What does alignment of a railway track mean?

A)

Direction and position of the centerline of track in vertical plane only

B)

Direction and position of the centerline of track in horizontal plane only

C)

Direction and position @ 50mm distance on either side of centerline of track

D)

Direction and position of the centerline of track in both horizontal and vertical planes

Correct Answer : Direction and position of the centerline of track in both horizontal and vertical planes

Explanation : In railway terminology, “Alignment” means the direction and position of the centerline of the railway track with respect to both horizontal and vertical planes. A proper alignment of the track will ensure the safety and comfort of the passengers.

42 .

Why the railway track is made resilient and elastic?

A)

Easy fixing

B)

To make it economic

C)

So that it absorbs shocks

D)

It can be adjusted easily

Correct Answer : So that it absorbs shocks

Explanation : The trains exert a lot of pressure on the tracks. They are made elastic and robust so that they can absorb these shocks and vibrations easily.

43 .

Which of the following is not an advantage of the wooden sleepers?

A)

They are cheap

B)

They have less scrap value

C)

They can be easily handled

D)

They can be used even without stone Ballast

Correct Answer : They have less scrap value

Explanation : Wooden sleepers have advantages like less cost, easy handling and they can be used even without stone ballast. But their scrap value is almost negligible which is a disadvantage.

44 .

Pick up the incorrect statement from the following :

A)

Fish plates fit the top of the rail foot

B)

Fish plates fit the underside of the rail head

C)

Fish plates fit the web of the rail section

D)

Cross sectional area of fish plates, is normally the same as that of the rail section

Correct Answer : Fish plates fit the web of the rail section

45 .

Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is

A)

25 cm

B)

30 cm

C)

35 cm

D)

45 cm

Correct Answer : 25 cm

46 .

If D is the distance between the parallel sidings and β is the limiting angle of crossings, the distance between the noses of crossing measured parallel to the main track, is

A)

D sin β

B)

D cot β

C)

D tan β

D)

D sec β

Correct Answer : D cot β

47 .

To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossing remains at a lower level by

A)

3 mm

B)

4 mm

C)

5 mm

D)

6 mm

Correct Answer : 3 mm

48 .

For points and crossings, maximum size of ballast, is

A)

50 mm

B)

40 mm

C)

30 mm

D)

25 mm

Correct Answer : 25 mm

49 .

The main function of sleepers, is

A)

to support rails

B)

to hold rails at correct gauge

C)

to distribute load from the rails to ballast

D)

All of the above

Correct Answer : All of the above

50 .

Packing of ballast is done

A)

under sleepers

B)

on the shoulders

C)

between two rails

D)

near the ends of sleepers

Correct Answer : under sleepers

51 .

If the standard length of a B.G. crossing is 597 cm, the number of crossing, is

A)

1 in 10

B)

1 in 12

C)

1 in 16

D)

1 in 20

Correct Answer : 1 in 12

52 .

Rails are fixed on steel sleepers

A)

by dog spikes

B)

by bearing plates

C)

by keys in lugs or jaws

D)

All of the above

Correct Answer : by keys in lugs or jaws

53 .

If a is average number of peaks more than 10 mm of uneveness per kilometre, b is average number peaks more than 6 mm for gauge variation per kilometre and c is average number of peaks more than 2 mm twist per metre, then composite current recording index (I_c), as recommended by Indian Northern Railways, is

A)

I_c = 20 - a - b - c/4

B)

I_c = 10 - a - b - c/4

C)

I_c = 30 - a - b - c/4

D)

I_c = 40 - a - b - c/4

Correct Answer : I_c = 40 - a - b - c/4

54 .

Pick up the correct statement from the following :

A)

An extra width of 15 cm ballast is provided on each shoulder if the track is laid with welded rails

B)

An extra width of 7.5 cm ballast isprovided on outside a curve sharper than 3° on B.G. and M.G. tracks

C)

An extra width of 7.5 cm ballast isprovided on outside a curve if track is laid with short welded rails

D)

All of the above

Correct Answer : All of the above

55 .

Top surface of steel sleepers, is

A)

kept level throughout

B)

provided a cant of 1 in 20 inward

C)

provided a cant of 1 in 20 outward

D)

None of the above

Correct Answer : provided a cant of 1 in 20 inward

56 .

The grade compensation on B.G. tracks on Indian Railways, is

A)

0.02%

B)

0.03%

C)

0.04%

D)

0.05%

Correct Answer : 0.04%

57 .

Maximum cant deficiency prescribed on Indian Board Gauge Railways, is

A)

40 mm

B)

50 mm

C)

75 mm

D)

100 mm

Correct Answer : 100 mm

58 .

How is Rack railway system different from normal railway system?

A)

It is wider

B)

It has an extra toothed rail

C)

They are made of different materials

D)

Extra friction is provided in the two rails

Correct Answer : It has an extra toothed rail

Explanation : The rack railway system has a toothed rail in addition with the two usual rails. This creates an interlocking system between toothed rail and wheel of the locomotive.

59 .

Which of the following rail has been standardized for adoption on the Indian railways?

A)

Flat footed

B)

Bull headed

C)

Double headed

D)

Combination of BH and DH

Correct Answer : Flat footed

Explanation : Flat footed rails great strength and provide lateral stability. They are much more economical and thus are standardised for usage on the Indian railways.

60 .

Which of the following is not a requirement of the design of the sleepers?

A)

Bearing area should be sufficient

B)

Track circuiting should be possible

C)

Maintenance cost should be minimum

D)

It should be fixed and removed easily

Correct Answer : Maintenance cost should be minimum

Explanation : The sleepers should be designed to have sufficient bearing area, easy handling and easy track circuiting. The maintenance cost is not a design criteria, but it is an important requirement of the sleepers.

61 .

Boxing of ballast is done

A)

at the rails

B)

under rails

C)

in between two rails

D)

in between two sleepers

Correct Answer : at the rails

62 .

Best ballast contains stones varying in size from

A)

1.5 cm to 3 cm

B)

2.0 cm to 4 cm

C)

2.0 cm to 5 cm

D)

2.5 cm to 6 cm

Correct Answer : 2.0 cm to 5 cm

63 .

For holding a rail in position, no chairs are used for

A)

bull headed rails

B)

flat footed rails

C)

double headed rails

D)

Both (A) and (C)

Correct Answer : flat footed rails

64 .

Smitch diamond is provided if the angle of diamond is less than

A)

2Â°

B)

4Â°

C)

6Â°

D)

8Â°

Correct Answer : 6Â°

65 .

The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is

A)

Nose thickness x sin Î±

B)

Nose thickness x cos Î±

C)

Nose thickness x tan Î±

D)

Nose thickness x cot Î±

Correct Answer : Nose thickness x cot Î±

66 .

The main advantage of a long rail over short one, is

A)

it involves less maintenance cost

B)

it provides conform to passengers

C)

it provides smooth running of trains

D)

All of the above

Correct Answer : All of the above

67 .

Sand may be used as ballast for

A)

cast iron sleepers

B)

steel sleepers

C)

wooden sleepers

D)

All of the above

Correct Answer : cast iron sleepers

68 .

Cast iron sleeper, is

A)

plate sleeper

B)

box sleeper

C)

Duplex sleeper

D)

All of the above

Correct Answer : All of the above

69 .

The standard width of ballast for M.G. track in Indian Railways, is kept

A)

2.50 m

B)

3.35 m

C)

2.30 m

D)

3.53 m

Correct Answer : 2.30 m

70 .

To prevent creep in rails, the steel sleepers are fixed with rails by clips, bolts and

A)

one key

B)

two keys

C)

three keys

D)

four keys

Correct Answer : four keys

71 .

The standard dimensions of a wooden sleeper for a B.G. railway track are

A)

1.52 m x 15 cm x 10 cm

B)

1.75 cm x 20 cm x 12 cm

C)

1.83 m x 20 cm x 11 cm

D)

2.74 m x 25 cm x 13 cm

Correct Answer : 2.74 m x 25 cm x 13 cm

72 .

In Indian railways, the ratio of axle load and weight of rail, is

A)

312

B)

412

C)

512

D)

600

Correct Answer : 512

73 .

Gauge of a permanent way, is

A)

width of formation

B)

distance between centres of rails

C)

minimum distance between outer faces of rails

D)

minimum distance between running faces of rails

Correct Answer : minimum distance between running faces of rails

74 .

On Indian Railways standard length of rails for M.G. track, is

A)

42 ft (12.8 m)

B)

39 ft (11.89 m)

C)

36 ft (10.97 m)

D)

33 ft (10.06 m)

Correct Answer : 39 ft (11.89 m)

75 .

Minimum composite sleeper index for wooden sleepers used in cross-overs, is

A)

1152

B)

1252

C)

1352

D)

1452

Correct Answer : 1352

76 .

The spike commonly used to fix rails to wooden sleepers in Indian railways, is

A)

dog spike

B)

screw spike

C)

round spike

D)

All of the above

Correct Answer : All of the above

77 .

In Indian railways, plate laying is usually done by

A)

side method

B)

American method

C)

telescopic method

D)

All of the above

Correct Answer : telescopic method

78 .

Distance between the inner rail and check rail provided on sharp curve, is

A)

44 mm

B)

42 mm

C)

40 mm

D)

38 mm

Correct Answer : 44 mm

79 .

Coal ash (or cinder) is used in initial stages of a new construction of railway for

A)

steel sleepers

B)

wooden sleepers

C)

cast iron sleepers

D)

None of the above

Correct Answer : wooden sleepers

80 .

Pot sleepers are in the form of

A)

two bowls placed under each rail and connected together with a tie bar

B)

a number of bowls connected together with a tie bar

C)

two bowls placed under two rails and the one between the rails

D)

None of the above

Correct Answer : two bowls placed under each rail and connected together with a tie bar

81 .

In railways a triangle is mainly provided for

A)

shunting wagons in yards

B)

crossing over between parallel tracks

C)

diverting trains from the main line to branch line

D)

changing direction of engines through 180Â°

Correct Answer : changing direction of engines through 180Â°

82 .

A kink is made in stock rails, ahead of the toe of switch at a distance of

A)

10 cm

B)

15 cm

C)

20 cm

D)

30 cm

Correct Answer : 15 cm

83 .

Rails are bent to correct curvature if the degree of curve, is more than

A)

2Â°

B)

3Â°

C)

4Â°

D)

6Â°

Correct Answer : 4Â°

84 .

In India the rails are manufactured by

A)

duplex process

B)

open hearth process

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Both (A) and (B)

85 .

On Indian Railways, angle of crossing between gauge faces of Vee, is generally calculated by

A)

Cole's method

B)

Centre line method

C)

Isosceles triangle method

D)

None of the above

Correct Answer : Cole's method

86 .

For an effective administration, Indian railway system has been divided into

A)

six railway zones

B)

seven railway zones

C)

eight railway zones

D)

nine railway zones

Correct Answer : nine railway zones

87 .

If D is the distance between parallel tracks G is the gauge and α is angle of crossings, the distance between theoretical noses of two crossings measured parallel to tracks, is

A)

(D - G - G sec α) cot α

B)

(D - G + G sec α) cot α

C)

(D - G - G sec α) tan α

D)

(D + G + G sec α) cot α

Correct Answer : (D - G - G sec α) cot α

88 .

Minimum composite sleeper index for wooden sleepers used over bridge girders, is

A)

1155

B)

1255

C)

1355

D)

1455

Correct Answer : 1455

89 .

In a diamond crossing, number of noses are

A)

8

B)

6

C)

4

D)

3

Correct Answer : 6

90 .

If the stock rails are B.H. rails, the type of switch generally provided, is

A)

undercut

B)

articulated

C)

straight cut

D)

over riding

Correct Answer : straight cut

91 .

Bending of rail ends due to loose packing under a joint and loose fish Bolts, is known

A)

hogging

B)

buckling

C)

creeping

D)

None of the above

Correct Answer : hogging

92 .

On Broad Gauge main lines with maximum traffic loads, the rail section preferred to, is

A)

29.8 to 37.3 kg/m

B)

32.5 to 42.5 kg/cm

C)

44.7 to 56.8 kg/m

D)

None of the above

Correct Answer : 44.7 to 56.8 kg/m

93 .

If D is the distance between the parallel sidings and α is the angle of crossing, the distance between the noses of crossing measured parallel to the main track, is

A)

D tan α

B)

D sec α

C)

D cot α

D)

D cosec α

Correct Answer : D cosec α

94 .

On B.G. tracks the distance of outer signal from station limit is kept

A)

510 m

B)

520 m

C)

530 m

D)

540 m

Correct Answer : 540 m

95 .

The rails get out of their original positions due to insufficient expansion gap. This phenomenon is known

A)

hogging

B)

buckling

C)

creeping

D)

None of the above

Correct Answer : buckling

96 .

Stock rails are

A)

parts of crossing

B)

fitted against check rails

C)

fitted against tongue rails

D)

laid between heel of switch and nose of crossing

Correct Answer : fitted against tongue rails

97 .

The term "Rolling Stock" in Railways includes ________

A)

Locomotives, coaches and wagons

B)

Wheels and sleepers

C)

Tracks and platforms

D)

Sleepers, tracks, and gauges

Correct Answer : Locomotives, coaches and wagons

Explanation : In Railways terminology, the term “Rolling Stock” includes locomotives, coaches and wagons or any vehicle that runs on rail tracks. It can include both powered and unpowered vehicles. The rolling stock can act as an engine (for eg. locomotive) or can be used to carry passengers (for eg. coaches) or can be used to carry goods (for eg. wagon).

98 .

At what angle should a railway line cross a road?

A)

30Â°

B)

45Â°

C)

60Â°

D)

90Â°

Correct Answer : 90Â°

Explanation : A railway line should always cross a road at 90° angle, i.e. they should be perpendicular to each other. This is done so that the passing train is clearly visible to the road passengers, thus avoiding accidents.

99 .

Which of the following is the most important strategic reason for the construction of a new railway line?

A)

For creating jobs

B)

To increase tourists

C)

Because of absence of a railway line

D)

To make movement of defence forces easier in case of emergency

Correct Answer : To make movement of defence forces easier in case of emergency

Explanation : In case of natural calamities like flood, earthquake or during threat of war, presence of a railway line is very important. It ensures fast movement of defence forces and relief material to the area.

100 .

In which of the following are rail lubricators used?

A)

On steep rails

B)

On narrow gauges

C)

On sharp curves

D)

On cast iron sleepers

Correct Answer : On sharp curves

Explanation : Lateral wear at sharp curves is very high. Rail lubricators are used to lubricate the gauge face on the outer rail on sharp curves to reduce friction which subsequently reduces wear and tear.

101 .

Which of the following is not true about the CST-9 sleepers?

A)

Needs more attention

B)

Very less lateral stability

C)

Limited strength to hold LWRs

D)

Not suitable for mechanical maintenance with tie hammers

Correct Answer : Very less lateral stability

Explanation : The CST-9 sleepers provide considerably good stability. But requires constant attention.

102 .

Rail section first designed on Indian railways, was

A)

bull headed

B)

flat footed

C)

double headed

D)

None of the above

Correct Answer : double headed

103 .

A scissors cross-over consists of

A)

four pairs of points, six acute angle crossings and two obtuse angle crossings

B)

four pairs of points, four acute angle crossings and four obtuse angle crossings

C)

two pairs of points, four acute angle crossings and two obtuse angle crossings

D)

two pairs of points, six acute angle crossings and four obtuse angle crossings

Correct Answer : four pairs of points, six acute angle crossings and two obtuse angle crossings

104 .

To prevent percolation of water into formation, moorum is used as a blanket for

A)

sandy soil

B)

black cotton soil

C)

clayey soil

D)

All of the above

Correct Answer : black cotton soil

105 .

Distance between inner faces of the flanges, is kept

A)

equal to the gauge distance

B)

slightly more than the gauge distance

C)

slightly less than the gauge distance

D)

None of the above

Correct Answer : slightly less than the gauge distance

106 .

In a railway track, permissible gauge with tolerance under loaded condition, is

A)

G - 1.0 mm

B)

G - 1.5 mm

C)

G + 0.1 mm

D)

G + 1.5 mm

Correct Answer : G + 1.5 mm

107 .

A turn-in-curve is defined as

A)

a reverse curve

B)

a spiral transition curve

C)

a curve introduced between two straights

D)

a reverse curve introduced in continuity of a turn out

Correct Answer : a reverse curve introduced in continuity of a turn out

108 .

A triangle used for turning the face of locomotives, consists of

A)

two turn outs and one split

B)

one turn out and two splits

C)

three splits

D)

three turn outs

Correct Answer : two turn outs and one split

109 .

Monnier, the inventor of R.C.C., suggested the introduction of reinforced cement concert sleepers for the railways in

A)

1857

B)

1867

C)

1877

D)

1887

Correct Answer : 1877

110 .

If D is the distance between the parallel sidings and α is the angle of crossing, the distance between the noses of crossing measured parallel to the gathering line, is

A)

D sin α

B)

D tan α

C)

D cot α

D)

D cos α

Correct Answer : D cot α

111 .

Regional Indian railways use different types of sleepers according to their

A)

economy

B)

design

C)

suitability

D)

All of the above

Correct Answer : All of the above

112 .

Which of the following ballast is used at points and crossings?

A)

25mm

B)

40mm

C)

50mm

D)

72mm

Correct Answer : 25mm

Explanation : At points and crossings small sized ballast is used because of its fineness for slight adjustments. Thus 25mm (1”) ballast is used.

113 .

Which of the following is not a cotter used on Indian Railways?

A)

Side split cotter

B)

Solid end split cotter

C)

Centre split cotter

D)

Empty end split cotter

Correct Answer : Empty end split cotter

Explanation : Cotters are used for fixing tie bars to CI sleepers. They are classified based on their methods of splitting. The four types of cotters used on Indian railways are; Centre split, Side split, Solid end split and Bent plate split cotter.

114 .

Which of the following is an old method for track maintenance?

A)

Mechanised maintenance

B)

Beater packing

C)

Measured shovel packing

D)

Directed track maintenance

Correct Answer : Beater packing

Explanation : Earlier manual maintenance of tracks by Beater packing was done. But after advancement in technology and increase in traffic modern methods are being used. These include measured shovel packing, mechanized maintenance, and directed track maintenance.

115 .

Wooden sleepers used on the girders of bridges, are generally made of

A)

sal

B)

chir

C)

teak

D)

deodar

Correct Answer : teak

116 .

If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is

A)

10 chains

B)

12 chains

C)

14 chains

D)

16 chains

Correct Answer : 14 chains

117 .

Overall depth of a dog spike, is

A)

120.6 mm

B)

135 mm

C)

150 mm

D)

155.90 mm

Correct Answer : 120.6 mm

118 .

Best wood for wooden sleepers is

A)

chir

B)

shesham

C)

teak

D)

deodar

Correct Answer : teak

119 .

The rail section which is not used on Indian metre gauge tracks, is

A)

25 R

B)

30 R

C)

35 R

D)

40 R

Correct Answer : 40 R

120 .

Dimensions of a plate girder, are :

A)

255 mm x 254 mm

B)

551 mm x 254 mm

C)

851 mm x 851 mm

D)

851 mm x 254 mm

Correct Answer : 851 mm x 254 mm

121 .

Rail joint supported on a single sleeper, is known

A)

square rail joint

B)

supported rail joint

C)

bridge rail joint

D)

suspended rail joint

Correct Answer : supported rail joint

122 .

Maximum wheel base distance provided on Indian B.G. tracks, is

A)

6.096 m

B)

5.096 m

C)

4.096 m

D)

3.026 m

Correct Answer : 6.096 m

123 .

Advantage of automatic signalling, is :

A)

increased safety

B)

reduction in delays

C)

increase in track capacity

D)

All of the above

Correct Answer : All of the above

124 .

Track construction involves preparation of

A)

subgrade

B)

ballasting

C)

plate laying

D)

All of the above

Correct Answer : All of the above

125 .

In permanent way, ballast

A)

provides a drainage of track

B)

provides an elastic bed to the track

C)

transfers load from sleepers to the formation

D)

All of the above

Correct Answer : All of the above

126 .

If w is width of sleepers, s is sleeper spacing and d is depth of ballast then

A)

d = s-w/2

B)

d = s-w/3

C)

d = s-w/4

D)

d = s-w/5

Correct Answer : d = s-w/2

127 .

On either side of the centre line of rails, a cant of 1 in 20 in the sleeper is provided for a distance of

A)

185 mm

B)

175 mm

C)

165 mm

D)

150 mm

Correct Answer : 175 mm

128 .

The place where a railway line and a road cross each other at the same level, is known as

A)

cross over

B)

road junction

C)

level crossing

D)

railway junction

Correct Answer : level crossing

129 .

On Indian Railways standard length of rails for B.G. track, is

A)

42 ft (12.8 m)

B)

39 ft (11.89 m)

C)

36 ft (10.97 m)

D)

33 ft (10.06 m)

Correct Answer : 42 ft (12.8 m)

130 .

Heel of crossing is the line joining

A)

ends of wing rails

B)

ends of splice rail and point rail

C)

throat and actual nose of crossing

D)

ends of lead rails butting the crossing

Correct Answer : ends of splice rail and point rail

131 .

A mono-block sleeper has

A)

square section

B)

rectangular section

C)

trapezoidal section

D)

semi-circular section

Correct Answer : trapezoidal section

132 .

Which of the following method is used for the Tilting of rails?

A)

Strain method

B)

Adzing the wooden sleepers

C)

Providing canted bearing plates

D)

Adzing the wooden sleepers or by providing canted bearing plates

Correct Answer : Adzing the wooden sleepers or by providing canted bearing plates

Explanation : Tilting of rails is necessary for reducing wear and tear in addition to the lateral stresses. For this Adzing the wooden sleepers or canted bearing plates can be used.

133 .

Which of the following type of fittings are used by Composite sleepers?

A)

Rubber fastenings

B)

They do not require fittings

C)

Similar to that of wooden sleepers

D)

Twice the strength of wooden sleepers

Correct Answer : Similar to that of wooden sleepers

Explanation : Fastenings are required to hold the rail and the sleeper together. Composite sleepers show similarities with wooden sleepers. Thus they also have similar fittings.

134 .

Which of the following is not a requirement of a good ballast?

A)

Tough

B)

Rounded

C)

Cheap

D)

Wear resistant

Correct Answer : Rounded

Explanation : Ballast should not be rounded. It should generally be cubical having sharp edges. This is regarding the shear strength provided by the Ballast.

135 .

The tread of wheels is provided an outward slope of

A)

1 in 20

B)

1 in 25

C)

1 in 30

D)

1 in 35

Correct Answer : 1 in 20

136 .

On a straight railway track, absolute levels at point A on two rails are 100.550 m and 100.530 m and the absolute levels at point B 100 m apart are 100.585 m and 100.515 m respectively, the value of twist of rails per metre run, is

A)

0.4 mm

B)

0.5 mm

C)

0.7 mm

D)

0.8 mm

Correct Answer : 0.5 mm

137 .

Anti-creep anchors are fixed to rails by

A)

wedging

B)

clamping

C)

spring grip

D)

All of the above

Correct Answer : All of the above

138 .

Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided

A)

to the tops of rails

B)

at rail seats in chairs

C)

at rail seats in bearing plates

D)

at rail seats in metal sleepers

Correct Answer : to the tops of rails

139 .

A triangle of railway consists of

A)

one turn out and two diamonds

B)

one turn out, one split and one diamond

C)

two turn outs and one split

D)

three turn outs

Correct Answer : two turn outs and one split

140 .

Steel sleepers are_______.

A)

hollow circular pipes

B)

6 mm thick steel sheets with ends bent down

C)

6 mm thick steel sheets with ends bent up

D)

rectangular is cross section throughout

Correct Answer : 6 mm thick steel sheets with ends bent down

141 .

Pick up the incorrect statement from the following :

A)

Ends of adjoining rails should be in true alignment

B)

Rail joints should be as strong as the rail section itself

C)

Rail joints should be elastic laterally as well as vertically

D)

All of the above

Correct Answer : All of the above

Explaination : * Ends of adjoining rails should be in true alignment
* Rail joints should be as strong as the rail section itself
* Rail joints should be elastic laterally as well as vertically
* Ends of adjoining rails butt against to give a continuity

142 .

Staggered rail joints are generally provided

A)

on bridges

B)

on curves

C)

on tangents

D)

in tunnels

Correct Answer : on curves

143 .

Bull headed rails are generally provided on

A)

curved tracks

B)

straight tangents

C)

metre gauge tracks

D)

points and crossing

Correct Answer : points and crossing

144 .

The check rails are placed opposite the crossing so that

A)

its two-third length is ahead of the nose of crossing

B)

its one-third length is ahead of the nose of crossing

C)

it is symmetrically placed opposite nose of crossing

D)

its three fourth length is ahead of the nose of crossing.

Correct Answer : its two-third length is ahead of the nose of crossing

145 .

Minimum length of a transition curve required for

A)

2Â° curves for a maximum permissible speed of 135 km/hr, is 220 metres

B)

4Â° curves for a maximum permissible speed of 95 km/hr, is 220 metres

C)

6Â° curves for a maximum permissible speed of 80 km/hr, is 220 metres

D)

All of the above

Correct Answer : All of the above

146 .

Indian Railways detects the rail flow by

A)

Soni Rail flow dector

B)

Mitsubish Rail flow dector

C)

Kraut Kramer Rail flow detector

D)

Audi-gauge Rail flow detector

Correct Answer : Kraut Kramer Rail flow detector

147 .

Which of the following is another name for Tongue rail?

A)

Toe rail

B)

Switch rail

C)

Lead rail

D)

Stock rail

Correct Answer : Switch rail

Explanation : Tongue rail is a tapered and movable rail which is attached to a running at its thicker end. It is made up of high carbon or manganese steel to withstand wear and tear.

148 .

Which of the following can be used in case of Bridge joints?

A)

Metal flat

B)

Metal flat or Bridge plate

C)

Bridge plate

D)

Extra sleepers

Correct Answer : Metal flat or Bridge plate

Explanation : The sleepers on either side of a bridge joint are connected. For this purpose a metal flat or a corrugated plate also known as a Bridge plate is used. These joints are generally not used on Indian Railways.

149 .

Which is the formula for railexcess length which the inner rail gains over outer?

A)

5Ï€G

B)

4Ï€G

C)

2Ï€G

D)

Ï€G

Correct Answer : 2Ï€G

Explanation : The excess length which the inner rail gains over outer rail for a length L of the curve is the difference in circumference of outer and inner rail. It is given by 2πG, where G is the dynamic gauge.

150 .

Which of the following is also known as another name of inner rail?

A)

Cant rail

B)

Fixed rail

C)

Slope rail

D)

Gradient rail

Correct Answer : Gradient rail

Explanation : Inner rail is also known as Gradient rail. It is taken as reference rail while determining superelevation and is normally maintained at its original level.

151 .

Which of the following software cannot be used to design a railway track alignment?

A)

Primavera

B)

Ferrovia

C)

Trimble Quantm

D)

Open Rail Designer

Correct Answer : Primavera

Explanation : Primavera software is used for project planning and management. It cannot be used for design of rail track alignment. The Delhi Metro Rail Cooperation used the Open Rail Designer software to modify and finalize the design of its Phase 4 expansion project. Using the software, the designing team completed the alignment design of railway line within 3 months.

152 .

The rail section which is not used on Indian Broad Gauge tracks, is

A)

35 R

B)

40 R

C)

45 R

D)

55 R

Correct Answer : 40 R

153 .

Ballast packed below and around the sleepers to transfer the load from sleepers to formation, generally consists of

A)

moorum

B)

gravels

C)

broken stones

D)

All of the above

Correct Answer : All of the above

154 .

A wing rail is renewed or reconditioned if its maximum vertical wear is

A)

5.5 m

B)

7.5 m

C)

9.5 m

D)

None of the above

Correct Answer : 9.5 m

155 .

Bearing plates are used to fix

A)

flat footed rails to the wooden sleepers

B)

bull headed rails to the wooden sleepers

C)

double headed rails to the wooden sleepers

D)

flat footed rails to the cast iron sleepers

Correct Answer : flat footed rails to the wooden sleepers

156 .

A welded rail joint is generally

A)

supported on a sleeper

B)

suspended

C)

supported on a metal plate

D)

None of the above

Correct Answer : suspended

157 .

Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is

A)

142 km/hour

B)

132 km/hour

C)

122 km/hour

D)

112 km/hour

Correct Answer : 132 km/hour

158 .

If Î± is switch angle and R is radius of the turnout, the length of the tongue rail, is

A)

R sin Î±

B)

R tan Î±

C)

R sin Î±/2

D)

R tan Î±/2

Correct Answer : R tan Î±/2

159 .

The quantity of stone ballast required per metre tangent length, is

A)

1.12 mÂ³

B)

1.14 mÂ³

C)

1.11 mÂ³

D)

1.15 mÂ³

Correct Answer : 1.11 mÂ³

160 .

The type of switch generally used for B.G. and M.G. tracks, is

A)

over riding

B)

undercutc

C)

articulated

D)

straight cut

Correct Answer : over riding

161 .

For flat bottom sleepers, maximum size of ballast, is

A)

25 mm

B)

33 mm

C)

40 mm

D)

50 mm

Correct Answer : 50 mm

162 .

Weight and cross section of the rails are decided on

A)

speed of trains

B)

gauge of tracks

C)

type of rails

D)

All of the above

Correct Answer : All of the above

163 .

Main disadvantage of steel sleepers, is :

A)

it gets rusted quickly

B)

its lugs some times get split

C)

its lugs some times get broken

D)

All of the above

Correct Answer : All of the above

164 .

An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is

A)

2Â°

B)

3Â°

C)

4Â°

D)

5Â°

Correct Answer : 3Â°

165 .

Spacing of sleepers

A)

near rail joints, is kept closer

B)

throughout the length of a rail is kept uniform

C)

at the middle of rails, is kept closer

D)

None of the above

Correct Answer : at the middle of rails, is kept closer

166 .

The factor for deciding the type of sleeper, is

A)

easy fixing and removal of rails

B)

initial and maintenance costs

C)

strength to act as a beam under loads

D)

All of the above

Correct Answer : All of the above

Explanation : * easy fixing and removal of rails
* initial and maintenance costs
* strength to act as a beam under loads
* provision of sufficient bearing area for rails

167 .

Heel divergency, the distance between the running faces of stock rail and gauge face of tongue rail, as recommended for Indian B.G. tracks, is

A)

135 mm

B)

125 mm

C)

119 mm

D)

100 mm

Correct Answer : 135 mm

168 .

Type of switch rails generally adopted for modern track, is

A)

bent switch

B)

curved switch

C)

straight switch

D)

loose heel switch

Correct Answer : curved switch

169 .

If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25 cm x 13 cm), is

A)

15 cm

B)

20 cm

C)

25 cm

D)

30 cm

Correct Answer : 20 cm

170 .

By interchanging gibs and cotters of a pot sleeper, gauge may be slackened by

A)

1.2 mm

B)

2.2 mm

C)

3.2 mm

D)

4.2 mm

Correct Answer : 3.2 mm

171 .

Composite sleeper index determines

A)

suitability of wooden sleepers

B)

number of sleepers per rail length

C)

permissible stresses in steel sleepers

D)

All of the above

Correct Answer : suitability of wooden sleepers

172 .

Coning of wheels

A)

provide smooth running of trains

B)

prevent lateral movement of wheels

C)

avoid excessive wear of inner faces of rail

D)

All of the above

Correct Answer : All of the above

173 .

At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and

A)

2 fish bolts

B)

4 fish bolts

C)

6 fish bolts

D)

8 fish bolts

Correct Answer : 4 fish bolts

174 .

The sleepers which satisfy the requirements of an ideal sleeper, are

A)

wooden sleepers

B)

R.C.C. sleepers

C)

steel sleepers

D)

cast iron sleepers

Correct Answer : wooden sleepers

175 .

Rail section is generally designated by its

A)

total length

B)

total weight

C)

weight per metre length

D)

area of its cross-section

Correct Answer : weight per metre length

176 .

Pick up the correct statement from the following :

A)

Stock rail should be longer than tongue rail

B)

Length of tongue rail should be greater than rigid wheel base of vehicle

C)

Length of stock rail ahead of the toe should be a minimum of 1.65 m

D)

All of the above

Correct Answer : All of the above

177 .

Total effective bearing area of both the bowls of a pot sleeper, is

A)

equal to that of a wooden sleeper

B)

slightly more than that of a wooden sleeper

C)

slightly less than that of a wooden sleeper

D)

None of the above

Correct Answer : equal to that of a wooden sleeper

178 .

For metal sleepers with rounded edges, maximum size of ballast, is

A)

20 mm

B)

25 cm

C)

30 mm

D)

40 mm

Correct Answer : 40 mm

179 .

If G is gauge distance and a is crossing, the distance between the nose of acute crossing and nose of obtuse crossing of a rail diamond, measured along the rail not forming the diamond, is

A)

G sin α

B)

G cot α

C)

G cos α

D)

G tan α

Correct Answer : G cot α

180 .

The overall length of a turn out is the distance between the end of stock rail and

A)

heel of crossing

B)

toe of crossing

C)

throat of crossing

D)

actual nose of crossing

Correct Answer : heel of crossing

181 .

Coning of wheels is provided

A)

to avoid discomfort to passengers

B)

to check lateral movement of wheels

C)

to avoid damage to inner faces of rails

D)

All of the above

Correct Answer : All of the above

182 .

Pick up the incorrect statement from the following :

A)

Sleepers act as a non-elastic medium between the rails and ballast

B)

Sleepers hold the rails loose on curve

C)

Sleepers hold the rails at 1 in 20 tilt inward

D)

Sleepers transfer the load of moving locomotive to the girders of the bridges

Correct Answer : Sleepers act as a non-elastic medium between the rails and ballast

183 .

A scissors cross over consists of one diamond and

A)

two turn outs

B)

three turn outs

C)

four turn outs

D)

None of the above

Correct Answer : four turn outs

184 .

On Indian Railways, number of a crossing is defined as

A)

sine of angle of crossing

B)

consine of angle of crossing

C)

tangent of angle of crossing

D)

contangent of angle of crossing

Correct Answer : contangent of angle of crossing

185 .

In India, metre gauge permanent way was adopted in

A)

1871

B)

1866

C)

1860

D)

1855

Correct Answer : 1871

186 .

Check rails are provided on inner side of inner rails if sharpness of a B.G. curve, is more than

A)

3Â°

B)

5Â°

C)

6Â°

D)

8Â°

Correct Answer : 8Â°

187 .

Width of the top portion of a flat footed, rail, is

A)

69.85 mm

B)

66.77 mm

C)

63.50 mm

D)

None of the above

Correct Answer : 66.77 mm

188 .

For providing the required tilt of rails, adazing of wooden sleepers, is done for

A)

bull headed rails

B)

any type of rails

C)

flat footed rails

D)

double headed rails

Correct Answer : flat footed rails

189 .

Minimum packing space provided between two sleepers, is between

A)

20 to 25 cm

B)

25 to 30 cm

C)

30 to 35 cm

D)

35 to 40 cm

Correct Answer : 30 to 35 cm

190 .

Arrangement made to divert the trains from one track to another, is known as

A)

turnout

B)

railway point

C)

railway crossing

D)

railway junction

Correct Answer : turnout

191 .

The life of a wooden sleeper depends upon

A)

quality of its timber

B)

ability to resist decay

C)

resistance to weathering

D)

All of the above

Correct Answer : All of the above