In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by_______. - Surveying Quiz

Civil Engineering : Surveying - Quiz(MCQ)

In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by_______.

A)

adding 180Â°, if the given bearing is less than 180Â°

B)

subtracting 180Â°, if the given bearing, is more than 180Â°

C)

changing the cardinal points, i.e. substituting N for S and E for W and vice-versa

D)

None of the above

Correct Answer : changing the cardinal points, i.e. substituting N for S and E for W and vice-versa

Recently Updated in Surveying Questions

A sewer is laid from a manhole A to a manhole B, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at A is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is_______.

A)

202.75 m

B)

206.75 m

C)

208.75 m

D)

211.75 m

Correct Answer : Option (B) : 206.75 m

In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in

A)

north east quadrant

B)

north-west quadrant

C)

south-west quadrant

D)

south-east quadrant

Correct Answer : Option (B) : north-west quadrant

The Huygen's telescope eye piece________.

A)

achromatic

B)

is aplanatic

C)

Both (A) and (B)

D)

Neither (A) nor (B)

Correct Answer : Option (C) : Both (A) and (B)

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