Civil Engineering MCQAE Level Civil Engineering
Capacity of a wastewater tank for 80 litre/day/head from 250 users is 30 m³. Detention period is
Environmental EngineeringEnvironmental EngineeringMEDIUM
Choose the correct answer
A
18 hrs
B
24 hrs
C
30 hrs
D
36 hrs
Correct Answer
D. 36 hrs
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
Daily flow = 80×250 = 20 m³/day; detention =30/20=1.5 days=36 h
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
Concept shortcut
IS/IRC reference
Common trap
Practice more Civil Engineering questions
This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.