A deflection angle is ............

An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, …

A bearing of a line is also known as ............

The resection by two point problem as compared to three point problem ............

Grid lines are parallel to ............

The smaller horizontal angle between the true meridian and a survey line, is known ............

The altitude of a traverse leg is obtained by multiplying its length by ............

A contour map of the area is essential before proceeding with the construction of ............

A fixed point of reference of known elevation is called ............