Profile leveling is usually done for determining ............

If the fore bearing of a line is N26°35'W, its back bearing will be ............

The maximum tolerance in 20 m chain is ............

A line joining some fixed points on the main survey lines, is called a ............

Chain surveying is most suitable when ............

A lemniscate curve between the tangents is transitional throughout, if the polar deflection angle of its apex is equal t…

While measuring with a metallic tape of 30 m length pull should be applied ............

For setting out an offset at an angle 45°, ............ cross-staff is used.

The fundamental principle of surveying is to work from the ............