The horizon glass of the box sextant is ............

The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's ............

The vertical distance above or below the datum is called ............

Shift of a curve, is ............

The method of surveying in which field work and plotting work are done simultaneously, is called ............

Deviation of the actual road gradient from the proposed contour gradient uphill side, involves ............

Chain surveying consists of the arrangement of framework of triangles because a triangle is the only simple plane figure…

Radiation plane table survey is the best suited when ............

The method of leveling in which the heights of mountains are found by observing the temperature at which water boils is …