The magnetic meridian at any point, is the direction indicated by a freely suspended ............

The horizontal angle between the truth meridian and magnetic meridian is known as ............

If the length of a chain line along a slope of theta° is l, the required slope correction is ............

In order to determine the natural features such as valleys, rivers, lakes, etc., the surveying preferred is ............

The capacity of a telescope of producing a sharp image is called its ............

Anallatic lens is provided to ............

Accuracy of elevation of various points obtained from contour map is limited to ............

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

The method of finding out the difference in elevation between two points for eliminating the effect of curvature and ref…