Accurate measurement of deflection angles with a transit not properly adjusted may be made by_________. - Surveying Quiz

Civil Engineering : Surveying - Quiz(MCQ)

Accurate measurement of deflection angles with a transit not properly adjusted may be made by_________.

A)

setting the vernier A at zero at back station and then plunging the telescope

B)

setting the vernier A at zero at back station and turning the instrument to the forward station

C)

taking two back sights one with the telescope normal and the other with telescope inverted

D)

None of the above

Correct Answer : taking two back sights one with the telescope normal and the other with telescope inverted

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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