The adjustment of horizontal cross hair is required particularly when the instrument is used for_____________?

Related Mcqs:

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...

Theodolite is an instrument used for_________________?

A. tightening the capstan-headed nuts of level tube B. measurement of horizontal angles only C. measurement of vertical angles only D. measurement of both horizontal and vertical angles...

Which of the following errors can be neutralised by setting the level midway between the two stations ?

A. error due to curvature only B. error due to refraction only C. error due to both curvature and re-fraction D. none of the above...

An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as__________________?

A. contour line B. horizontal equivalent C. contour interval D. contour gradient...

In the cross-section method of indirect contouring, the spacing of cross-sections depends upon_____________?

1. contour interval 2. scale of plan 3. characteristics of ground The correct answer is ? A. only (1) B. (1) and (2) C. (2) and (3) D. (1), (2) and (3)...