Surveying – Section 1

Question No. 1.
To determine the length of a bridge proposed to be built across a wide river ,the surveying method of choice would be

Question No. 2.
Heliograph is a type of  instrument

Question No. 3.
The map projection in which the angle between any pair of short lines is represented correctly is called

Question No. 4.
If L is the measured length of a line, then the compensating errors are proportional to

Question No. 5.
If h is the difference in height berween the end points of a chain of length L,the slope correction is approximately equal to

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