Which of the following angles can be set out with the help of French cross staff?
The angle of intersection of the two plane mirrors of an optical square is______________?
During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is_____________?
For a well-conditioned triangle, no angle should be less than______________?
Local attraction in compass surveying may exist due to________________?
The horizontal angle between the true meridian and magnetic meridian at a place is called______________?
In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as______________?
In the prismatic compass______________?
For accurate work, the steel band should always be used in preference to chain because the steel band______________?
The maximum tolerance in a 20 m chain is_______________?
