Which of the following is not used in measuring perpendicular offsets ?
Cross staff is an instrument used for__________?
If the length of a chain is found to be short on testing, it can be adjusted by__________?
Normal tension is that pull which__________?
The permissible error in chaining for measurement with chain on rough or hilly ground is__________?
Which of the following angles can be set out with the help of French cross staff?
The angle of intersection of the two plane mirrors of an optical square is__________?
During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is__________?
For a well-conditioned triangle, no angle should be less than__________?
The allowable length of an offset depends upon the__________?
Which of the following methods of offsets involves less measurement on the ground?
The correction for sag is__________?

For a line AB_______________?

A. the forebearing of AB and back bearing of AB differ by 180°
B. the forebearing of AB and back bearing of BA differ by 180°
C. both (A. and (B. are correct.
D. none is correct

Correct Answer: the forebearing of AB and back bearing of AB differ by 180° ✔

Last Updated: January 12, 2019