1.

A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is

A. 0.015 m
B. 0.030 m
C. 0.045 m
D. 0.060 m
Answer» E.


Discussion

No Comment Found