One of the Lehmann's rules of plane tabling, is________. - Surveying Quiz

Civil Engineering : Surveying - Quiz(MCQ)

One of the Lehmann's rules of plane tabling, is________.

A)

location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances

B)

when looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray

C)

when the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays

D)

None of the above

Correct Answer : location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances

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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