Top 350+ Solved Surveying MCQ Questions Answer
Q. The angle of intersection of the two plane mirrors ofan optical square is
a. 30°
b. 45°
c. 60°
d. 90°
Q. 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
Q. 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
Q. Which of the following methods of offsets involves less measurement on theground?
a. method of perpendicular offsets
b. method of oblique offsets
c. method of ties
d. all involve equal measurement on the ground
Q. The permissible error in chaining for measurement with chain on rough or hillyground is
a. 1 in 100
b. 1 in 250
c. 1 in 500
d. 1 in 1000
Q. The correction for sag is
a. always additive
b. always subtractive
c. always zero
d. sometimes additive and sometimes subtractive
Q. 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
Q. 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
Q. Which of the following is not used in measuring perpendicular offsets ?
a. line ranger
b. steel tape
c. optical square
d. cross staff
Q. 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
Q. For accurate work, the steel band should always be used in preference to chainbecause the steel band
a. is lighter than chain
b. is easier to handle
c. is practically inextensible and is not liable to kinks when in use
d. can be easily repaired in the field