Civil Engineering MCQAE Level Civil Engineering
During levelling: RL of floor = 10000 m, staff on floor = +1.505 m, staff reading on bottom of girder = -2.495 m. RL of the bottom of girder is:
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Choose the correct answer
A
4.000 m
B
10.990 m
C
9.101 m
D
14.000 m
Correct Answer
A. 4.000 m
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Height of instrument = 10000 + 1.505. Inverted staff reading gives girder RL = HI + 2.495 = 10004.000 m; height above floor is 4.000 m
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.