Cross staff is an instrument used for :
ALevelling
BInclination
CSetting out right angle
DMeasure horizontal distance
Home/
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
In optical square two mirrors are placed at an angle of to each other.
Key plans are drawn
The North end of a compass needle deflect downwards in which hemisphere :
The specific gravity of stone should not in any case less than :
The number of horizontal cross wires in a study a diaphragm is