When the length of a chord is less than the peg interval, it is known as

The angle between the prolongation of the preceding line and the forward line of a traverse is called

A line normal to the plumb line at all points is known as

The method most suitable for plotting in hilly areas is

After levelling of an instrument is done what is the next up?

The angle between the back tangent and forward tangent of a curve is known as

If the back sight and fore sight distance are kept equal during levelling observations, then the effect of both refracti…

The least count of a vernier scale is

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