A level, when set up 25 m from peg A and 50 m from peg B, reads 2.853 – McqOptions

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1.	A level, when set up 25 m from peg A and 50 m from peg B, reads 2.853 m on a staff held on A and 4.462 m on a staff held on B, keeping the bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 285.295m respectively, what is the collimation error per 100.0 m?
A.	0.015 m
B.	0.084 m
C.	0.045 m
D.	0.060 m
Answer» C. 0.045 m

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