The maximum tolerance in a 20 m chain is_______________?

A. ±2 mm
B. ±3 mm
C. ±5 mm
D. ±8 mm

The length of a chain is measured from_______________?

A. Centre of one handle to centre of other handle
B. Outside of one handle to outside of other handle
C. Outside of one handle to inside of other handle
D. Inside of one handle to inside of other handle

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′

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 ?

A. Line ranger
B. Steel tape
C. Optical square
D. Cross staff

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______________?

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_______________?

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_____________?

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?

A. 45° only
B. 90° only
C. Either 45° or 90°
D. Any angle