Civil Engineering MCQAE Level Civil Engineering
Discharge over a rectangular notch or weir is given by the equation:
Fluid MechanicsFluid MechanicsMEDIUM
Choose the correct answer
A
0.67 Cd sqrt(2g) L h^(3/2)
B
0.75 Cd L sqrt(2g) h^(3/2)
C
0.67 Cd L sqrt(2g) h^(5/2)
D
0.75 Cd L sqrt(2g) h^(5/2)
Correct Answer
A. 0.67 Cd sqrt(2g) L h^(3/2)
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For a rectangular notch, Q = (2/3) Cd L sqrt(2g) H^(3/2), and 2/3 is about 0.67
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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.