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Fluid mechanics and hydraulics miscellaneous

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Fluid Mechanics and Hydraulics

Fluid mechanics and hydraulics miscellaneous
  1. A rectangular open channel of width 4.5 m is carrying a discharge of 100 m3 /sec. The critical depth of the channel is
    1. 7.09 m
    2. 3.69 m
    3. 2.16 m
    4. 1.31 m
Correct Option: B

yc =
q²
1/3
g

q =
Q
 =
100
22.2m³/s
B4.5

∴ yc =
22.2²
1/3 = 3.69 m.
9.81


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