If the true bearing of a line AB is 269° 30′, then the azimuth of the line AB is_____________?
A. 0° 30′
B. 89° 30′
C. 90° 30′
D. 269° 30′
MCQs / Q&A
For a line AB_______________?
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
Which of the following is not used in measuring perpendicular offsets ?
Which of the following is not used in measuring perpendicular offsets ?
A. line ranger
B. steel tape
C. optical square
D. cross staff
Cross staff is an instrument used for________________?
Cross staff is an instrument used for________________?
A. measuring approximate horizontal angles
B. setting out right angles
C. measuring bearings of the lines
D. none of the above
If the length of a chain is found to be short on testing, it can be adjusted by______________?
If the length of a chain is found to be short on testing, it can be adjusted by______________?
A. straightening the links
B. removing one or more small circular rings
C. closing the joints of the rings if opened out
D. all of the above
Normal tension is that pull which_______________?
Normal tension is that pull which_______________?
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
The permissible error in chaining for measurement with chain on rough or hilly ground is_____________?
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
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