Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by ............

In the double application of principle of reversion, the apparent error is ............

The relief representation on the map can be depicted ............

Which of the following is not used in measuring perpendicular offsets?

The instrument used to reproduce plans to a different scale is called ............

An angles of 45° with a chain line may be set out with ............

In a direct vernier, the smallest division of a vernier is ............ the smallest division of its primary scale.

The line of collimation method of reduction of levels, does not provide a cheek on ............

If L is the specified length of a tape, L1 its actual length and S the measured distance, then the true distance is give…