If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to_______________?

Related Mcqs:

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...

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...

The following sights are taken on a “turning point”________________?

A. foresight only B. backsight only C. foresight and backsight D. foresight and intermediate sight...

Direct method of contouring is_________________?

A. a quick method B. adopted for large surveys only C. most accurate method D. suitable for hilly terrains...

For a tacheometer the additive and multi-plying constants are respectively________________?

A. 0 and 100 B. 100 and 0 C. 0 and 0 D. 100 and 100...