Civil Engineering MCQAE Level Civil Engineering
Capacity of a waste water tank for a flow of 80 litre/day/head from 250 users, is 30 cu.m. The detention period is
Environmental EngineeringEnvironmental EngineeringMEDIUM
Choose the correct answer
A
18 hrs
B
24 hrs
C
30 hrs
D
36 hrs
Correct Answer
A. 18 hrs
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Daily flow = 80×250 = 20 m³/day; detention = 30/20 day = 1.5 days = 36 h, but official key A
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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.