CHAIN SURVEYING - Practice Mode

1) What instrument is used to prepare curved lines for inking the map?
Correct Answer: French curve
2) What colour is used for barren land in the drawing?
Correct Answer: Black
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?
Correct Answer: 500.5 M
4) What is the true distance between two points?
Measured distance = 720 m.
Length of chain = 20 m.
Error in chain = (+) 40 cm.
Correct Answer: 721.44 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).
Correct Answer: 3004.5 m
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