CHAIN SURVEYING - Quiz

1) What instrument is used to prepare curved lines for inking the map?

Protractor Ink compass French curve Bow - compass

2) What colour is used for barren land in the drawing?

Black Burnt sienna Crimson Lake Prussian blue

3) What is the true length measured with an incorrect 20 m chain of actually 20.02 m long for a measured length of 500 M?

50.05 M 500.5 M 498.755 M 49.8755 M

4) What is the true distance between two points?
Measured distance = 720 m.
Length of chain = 20 m.
Error in chain = (+) 40 cm.

720.44 m 721.44 m 722.44 m 723.44 m

5) Find the true distance (Mean incorrect length of chain, L' = 20.3 m length of chain, L = 20 m, measured distance = 3000 m).

3004.5 m 3003.5 m 3002.5 m 3001.5 m