The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch)
(2/3) Cd × b × √(2gH)
(2/3) Cd × b × √(2g) × H
(2/3) Cd × b × √(2g) × H3/2
(2/3) Cd × b × √(2g) × H2
Correct Answer :
C. (2/3) Cd × b × √(2g) × H3/2
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Directly proportional to H3/2
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Q = Cd × bH₁ × √(2gh)
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Q = Cd × b (H2 - H1) × √(2gh)
Q = Cd × bH × √(2gh)
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Principle of floatation
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Inversely proportional to H3/2
Directly proportional to H3/2
Inversely proportional to H5/2
Directly proportional to H5/2
The discharge through a siphon spillway is
Cd × a × √(2gH)
Cd × a × √(2g) × H3/2
Cd × a × √(2g) × H2
Cd × a × √(2g) × H5/2
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The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid
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Turbulent flow
Steady flow
Unsteady flow