Location of contour gradient for a highway is best set out from ............

When the first object is to be focused, the scale is set to 0°00'00" and then ............

Bergchund is a topographical feature in ............

The main difference between an optical square and prism square is ............

The method of intersection in plane tabling is commonly used for ............

Removal of parallax, may be achieved by focusing ............

Tacheometric formula for horizontal distance using horizontal sights can also suitabel be employed for inclined sights t…

Magnetic bearing of a survey line at any place ............

When the measured length is less than the actual length, the error is known as ............