Civil Engineering MCQAE Level Civil Engineering
The peak factor (ratio of peak flow to average daily flow) used in sewerage design for a city with population 100,000 is approximately:
Environmental EngineeringSewage Peaking FactorMEDIUM
Choose the correct answer
A
1.0
B
1.5
C
2.5
D
5.0
Correct Answer
C. 2.5
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
Peak factor decreases with population. For population 100,000: peak factor = 2.5-3.0. For small towns (<5000): 4-5. Formula: PF = 1 + (14/(4+sqrt(P))) where P in thousands (Babbit and Baumann). Peak flow governs sewer pipe diameter design, while average flow is used for treatment plant capacity.
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 AE Level Premium Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.