Q. What is the condition for critical flow?

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Q. What is the condition for critical flow in case of maximum discharge?

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Q. Determine the velocity in case of critical flow having top width T and area A.

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Q. Calculate the specific energy in case of rectangular channel having discharge Q and yc is the critical depth.

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Q. Estimate the critical depth in case of a rectangular channel having usual dimensions.

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Q. Calculate the critical depth of a rectangular channel having width 3m and the discharge through it is 15 m³/s.

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Q. Calculate the total discharge through a rectangular channel having critical depth of 1.18m and the base width of the channel is 4m.

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Q. Calculate the minimum specific energy of a rectangular channel having critical depth of 1.5m.

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Q. The base width of a rectangular channel is 4m and the maximum discharge through the channel is 10 m³/s, calculate the specific energy.

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Q. The minimum specific energy of a rectangular channel is 1.3m and the base width of the channel is 10m, calculate the discharge through the channel.

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Q. Calculate the maximum discharge through a triangular channel having a side slope of 1H:2V and the critical depth is 3m.

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Q. Calculate the side slope of a triangular channel if the maximum discharge is 48.82 m³/s and the critical depth of the channel is 6m.

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Q. The critical depth and base width of a trapezoidal channel is 2m and 5m respectively. Calculate the maximum discharge if the side slope of the channel is 1H:2V.

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Q. The maximum discharge through a trapezoidal channel is 74.28 m³/s. Calculate the critical depth of the channel is the side slope is equal to 1H:3V. B = 5m.

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Q. For a critical flow Froude’s number is equal to 1.

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Q. Calculate Froude’s number for a rectangular channel having depth 5m and velocity of flow is 5.94 m/s.

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Q. Calculate the value of Fᵣ if the value of hydraulic depth is 0.56m and the velocity of flow is 2.5 m/s.

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Q. Calculate the Froude’s number for a triangular channel having depth 4m and side slope of 1H:4V. V = 1m/s.

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Q. The top width of a triangular channel is 6m and the side slope of the channel is 1H:3V. Calculate the velocity of flow.

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Q. In the given figure the vertical angle is 60°, calculate the wetted area of the channel.

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