Refraction correction________________?

Related Mcqs:

Which of the following is not used in measuring perpendicular offsets ?

A. line ranger B. steel tape C. optical square D. cross staff...

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

A. leveling B. prolonging a straight line C. measurement of horizontal angles D. all of the above...

The rise and fall method_______________?

A. is less.accurate than height of instrument method B. is not suitable for levelling with tilting levels C. provides a check on the reduction of intermediate point levels D. quicker and less tedious for large number of intermediate sights...

A series of closely spaced contour lines represents a___________________?

A. steep slope B. gentle slope C. uniform slope D. plane surface...

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...