Civil Engineering MCQAE Level Civil Engineering
In uniform open-channel flow of small slope and curvature
Fluid MechanicsFluid MechanicsMEDIUM
Choose the correct answer
A
bed elevation plus flow depth is constant
B
water surface is not parallel to bed
C
water surface coincides with hydraulic grade line
D
water surface elevation never rises
Correct Answer
C. water surface coincides with hydraulic grade line
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
For uniform open-channel flow, the water surface is the hydraulic grade line
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.