A surface which is normal to the direction of gravity at all points as indicated by a plumb line is known as ............

In leveling, the correction for combined curvature and refraction (in metres) is equal to ............

For true difference in elevations between two points A and B, the level must be set up ............

In leveling operation ............

Ranging is an operation of ............

An angle made by a survey line with the prolongation of the proceeding line, is known as ............

If L is the distance between two supports from which a tape is suspended under a pull P. If W is the total weight of the…

In direct method of contouring, the process of locating or identifying points lying on a contour is called ............

A 20 long chain when should not show an error exceeding ............