Q. The Froude’s number for a flow in a channel section is 1. What type of flow is it?

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Q. What is the Froude’s number for a channel having mean velocity 4.34 m/s and mean hydraulic depth of 3m?

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Q. Calculate the mean hydraulic radius for a channel having 20m² cross sectional area and 50m of wetted perimeter.

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Q. Calculate the mean hydraulic depth of a channel having top width of 7m and cross sectional area of 35m².

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Q. Estimate the section factor for a channel section having cross sectional area of 40m² and hydraulic depth of 6m.

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Q. Calculate the Froude’s number for a channel having discharge of 261.03m³/s, cross sectional area of 42m² and the top width being 6m.

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Q. Calculate the aspect ratio having channel width of 6m and depth of 8m.

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Q. Estimate the type of flow in a channel having cross sectional area of 50m² and top of the channel is 5m. The mean velocity of flow is 0.1m/s and the absolute viscosity of water is 0.625 N-s/m².

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Q. The discharge and velocity of water in a rectangular channel are 75m³/s and 5m/ s respectively. The hydraulic depth being 3m calculate the hydraulic radius.

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Q. Calculate the hydraulic diameter for a rectangular duct having 10m width and 6m depth.

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Q. The ratio of Hydraulic radius and Hydraulic depth is 1/2 and the top width of the channel is 6m, calculate the hydraulic depth of the channel.

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Q. The section factor of a rectangular channel is 111.80m. The discharge and velocity of water are 250 m³⁄s and 5 m⁄s respectively. Calculate the hydraulic depth of the channel.

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Q. The ratio between depth and width of a rectangular channel is 1/4 and the area of the rectangular section is 16m². Calculate the top width of the channel.

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Q. Which geometric parameter determines the efficiency of the channel?

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Q. A rectangular channel has depth y and top with B. Determine its section factor.

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Q. Calculate the wetted area for a rectangular channel which is 5.2m in width and 3m in depth.

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Q. Calculate the wetted perimeter for a rectangular channel having top width of 4.5m and depth of 3m.

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Q. A rectangular channel has a depth of 5m and width of 12m. Calculate the hydraulic depth of the channel.

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Q. The depth and widths of a rectangular channel are 4m and 5m respectively. Determine the hydraulic radius of the channel.

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Q. Determine the section factor for the channel section having area 20m².

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