CE Quiz 43

During a chain survey the leader was having 6 arrows left with him while the follower has 4. The number of chain lengths completed is :

The length of a baseline measured 200 m above MSL is 637 m. The equivalent length reduced to M.S.L is (Radius of earth = 6370 km)

The method of ranging adopted when the terminal stations are not intervisible and when there is no intermediate point from which the terminal stations are intervisible is _______.

The permissible error in chaining on hilly ground is

A 20m chain was found to be 20 cm too short throughout a measurement. Calculate the correct length if the measured length was 200 m.

During a chain survey, stations A and B were taken on opposite sides of an obstacle. A point C was chosen such that AC was perpendicular to BC at C. If AC = 3m and BC = 4m, the obstructed length AB is ____________ m.

Calculate the correct length of a line if the measured length was 40m and there was a misalignment of 1m at the center.

Which one of the following is the correct formula to find out pull correction?

A map drawn to a scale of 1 in 400 was shrunk by 20%. Calculate the revised RF for the map.

The main scale of an angle measuring instrument was divided into degrees and half degrees. If it is attached with a vernier having 30 divisions, the least count of the instrument in seconds is _________.