The permissible error in chaining for measurement with chain on rough or hilly ground is_____________?
A. 1 in 100
B. 1 in 250
C. 1 in 500
D. 1 in 1000
Surveying
Which of the following angles can be set out with the help of French cross staff?
Which of the following angles can be set out with the help of French cross staff?
A. 45° only
B. 90° only
C. either 45° or 90°
D. any angle
The angle of intersection of the two plane mirrors of an optical square is______________?
The angle of intersection of the two plane mirrors of an optical square is______________?
A. 30°
B. 45°
C. 60°
D. 90°
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_____________?
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_____________?
A. 4 chains
B. 6 chains
C. 120 m
D. 180m
For a well-conditioned triangle, no angle should be less than______________?
For a well-conditioned triangle, no angle should be less than______________?
A. 20°
B. 30°
C. 45°
D. 60°
The allowable length of an offset depends upon the______________?
The allowable length of an offset depends upon the______________?
A. degree of accuracy required
B. method of setting out the perpendiculars and nature of ground
C. scale of plotting
D. all of the above
Which of the following methods of offsets involves less measurement on the ground?
Which of the following methods of offsets involves less measurement on the ground?
A. method of perpendicular offsets
B. method of oblique offsets
C. method of ties
D. all involve equal measurement on the ground
The correction for sag is_________________?
The correction for sag is_________________?
A. always additive
B. always subtractive
C. always zero
D. sometimes additive and sometimes subtractive