Q. Calculate the hydraulic radius of a circular channel if the radius is 6m and the central angle is 70°.

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Q. The hydraulic radius of a circular channel section is 0.33m, calculate the radius of the channel if the central angle is 60°.

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Q. The discharge through a circular channel section is 14.67m³/s and the velocity of flow is 1.47m/s, calculate the radius of the section if Ɵ = 75°.

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Q. Estimate the hydraulic depth for a most economical circular channel section in case of maximum velocity.

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Q. What is the value of θ in a most economical circular section in case of maximum discharge?

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Q. Calculate the depth in a most economical circular section in case of maximum discharge.

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Q. Calculate the hydraulic radius of a circular channel in case of maximum discharge if the radius of the channel is 4m.

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Q. Calculate the wetted area of a circular channel section in case of maximum velocity.

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Q. Calculate the wetted perimeter of the most economical circular section having radius 3m in case of maximum discharge.

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Q. What is the value of wetted perimeter of a circular section having radius 6m in case of maximum velocity?

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Q. Estimate the value of wetted area of a circular section in case of maximum discharge if the radius of the channel is 7m.

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Q. Calculate the hydraulic radius in case of maximum velocity if the radius of the section is 8m.

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Q. Calculate the discharge through a most economical circular section in case of maximum velocity if the radius of the channel is 0.5m, bed slope of 1 in 500 and the value of n = 0.016.

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Q. Which of the following conditions is taken into account in case of most economical circular channel section?

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Q. What is the condition for maximum velocity in case of most economical circular section?

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Q. What is the value of the θ in case of most economical circular channel section?

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Q. What is the depth of flow in case most economical circular section considering maximum velocity?

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Q. Determine the depth of flow in case of maximum velocity when the radius of the channel is 2.2m.

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Q. The maximum discharge through a most economical circular section in case of maximum velocity is 0.16 m³/s. Calculate the bed slope of the channel if the radius is 0.4m and C = 55.

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Q. The maximum discharge through a circular channel is 0.38 m³/s and the radius of the channel is 0.6m. Calculate the value of C if S₀=1 in 1000.

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