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Engineering
Civil
Civil Set-1
Surveying
129

Surveying MCQ with Answers

129) Orientation of a plane table by solving two point problem is only adopted when

saving of time is a main factor

better accuracy is a main factor

given points are inaccessible

none of these.

Answer is:

given points are inaccessible

Surveying MCQ with Answers

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Related Surveying MCQ with Answers

130) A back sight

is always taken on a point of known elevation or can be computed

is added to the known level to obtain the instrument height

taken on an inverted staff is treated as negative

all the above.

Answer is:

all the above.

131) The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every

100 sq. km of area

150 sq. km of area

200 sq. km of area

none of these.

Answer is:

200 sq. km of area

132) The systematic errors which persist and have regular effects in the performance of a survey operation, are due to

carelessness

faulty instrument

inattention

none of these.

Answer is:

faulty instrument

133) The best method of interpolation of contours, is by

estimation

graphical means

computation

all of these.

Answer is:

computation

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