Civil Engineering MCQJE Level Civil Engineering
The most economical rectangular channel section has width equal to:
Fluid MechanicsFluid Mechanics and HydraulicsEASY
Choose the correct answer
A
Flow depth
B
Twice the flow depth
C
Four times the flow depth
D
Half the flow depth
Correct Answer
B. Twice the flow depth
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For a best rectangular section, b = 2y and hydraulic radius = y/2.
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This MCQ belongs to SSC JE Civil Paper-I Technical Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.