A. always additive
B. always subtractive
C. always zero
D. sometimes additive and sometimes subtractive
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Which of the following methods of offsets involves less measurement on the ground?
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The allowable length of an offset depends upon the______________?
A. method of perpendicular offsets
B. method of oblique offsets
C. method of ties
D. all involve equal measurement on the ground
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For a well-conditioned triangle, no angle should be less than______________?
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
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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. 20°
B. 30°
C. 45°
D. 60°
0
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The angle of intersection of the two plane mirrors of an optical square is______________?
A. 4 chains
B. 6 chains
C. 120 m
D. 180m
0
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Which of the following angles can be set out with the help of French cross staff?
A. 30°
B. 45°
C. 60°
D. 90°
0
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The permissible error in chaining for measurement with chain on rough or hilly ground is_____________?
A. 45° only
B. 90° only
C. either 45° or 90°
D. any angle
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Normal tension is that pull which_______________?
A. 1 in 100
B. 1 in 250
C. 1 in 500
D. 1 in 1000
0
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If the length of a chain is found to be short on testing, it can be adjusted by______________?
A. is used at the time of standardising the tape
B. neutralizes the effect due to pull and sag
C. makes the correction due to sag equal to zero
D. makes the correction due to pull equal to zero