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Civil Engineering - Surveying

Exercise : Surveying - Section 2
31.
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: Option
Explanation:
No answer description is available. Let's discuss.
32.
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: Option
Explanation:
No answer description is available. Let's discuss.
33.
It θ is the probable error of an observed bearing of a line of length l, the error over the whole length of the traverse of n lines of length l is
l n
n
θ
θ n
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The best method of interpolation of contours, is by
estimation
graphical means
computation
all of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Pick up the correct specification of Ramsden eyepiece from the following :
it consists of two equal piano convex lenses
the curved surfaces of plano-convex lenses face each other
the two lenses are separated by a distance equal to 2/3 of the focal length of either lens.
the distance between the diaphragm and the front lens of the eyepiece is kept equal to 1/4 th of the focal length of a lens so that rays from a point on the diaphragm enter the eye as a parallel beam
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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