A. foresight only
B. backsight only
C. foresight and backsight
D. foresight and intermediate sight
Related Mcqs:
- If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will_________________?
A. increase
B. decrease
C. not change
D. either ‘a’ or ‘b’ - The process of turning the telescope about the vertical axis in horizontal plane is known as______________?
A. transiting
B. reversing
C. plunging
D. swinging - The number of horizontal cross wires in a stadia diaphragm is ________________?
A. one
B. two
C. three
D. four - Different grades are joined together by a ________________?
A. compound curve
B. transition curve
C. reverse curve
D. vertical curve - Overturning of vehicles on a curve can be avoided by using ________________?
A. compound curve
B. vertical curve
C. reverse curve
D. transition curve - The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________?
A. deflection angle
B. included angle
C. direct angle
D. none of the above - Which of the following errors cannot be eliminated by taking both face observations ?
A. error due to horizontal axis not being perpendicular to the vertical axis
B. index error i.e. error due to imperfect adjustment of the vertical circle vernier
C. error due to non-parallelism of the axis of telescope level and line of collimation
D. none of the above - For which of the following permanent adjustments of theodolite, the spire test is used ?
A. adjustment of plate levels
B. adjustment of line of sight
C. adjustment of horizontal axis
D. adjustment of altitude bubble and vertical index frame - Which of the following methods of con-touring is most suitable for a hilly terrain ?
A. direct method
B. square method
C. cross-sections method
D. tacheometric method - Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations ?
A. measuring angle and distance from one transit station
B. measuring angles to the point from at least two stations
C. measuring angle at one station and distance from other
D. measuring distance from two points on traverse line
