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ENGG252 (DB225) Engineering Fluid Mechanics
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OCF-161 Water flows uniformly in a finished-concrete rectangular channel with a bottom width of 0.85 m. The flow depth is 0.4 m and the bottom slope is 0.003. The channel should be classified as
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OCF-153 Water flows in a rectangular open channel of width 5 m at a rate of 7.5 m^3/s. The critical depth for this flow is
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OCF-159 Water is to be transported in a clay tile lined rectangular channel at a rate of 0.8 m^3/s. The channel bottom slope is 0.0015. The width of the channel for the best cross section is
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OCF-165 Water is released from a 0.8-m-deep reservoir into a 4-m-wide open channel through a sluice gate with a 0.1-m-high opening at the channel bottom. The flow depth after all turbulence subsides is 0.5 m. The rate of discharge is
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OCF-160 Water is to be transported in a clay tile lined trapezoidal channel at a rate of 0.8 m^3/s. The channel bottom slope is 0.0015. The width of the channel for the best cross section is
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OCF-150 Which ones are examples of open-channel flow? I. Flow of water in rivers II. Draining of rainwater off highways III. Upward draft of rain and snow IV. Sewer lines
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OCF-158 Water is to be transported in a 4-m-wide rectangular open channel. The flow depth to maximize the flow rate is
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OCF-155 Water flows in a 6-m-wide rectangular open channel at a rate of 55 m^3/s. If the flow depth is 2.4 m, the Froude number is
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OCF-164 Water discharges into a 7-m-wide rectangular horizontal channel from a sluice gate and undergoes a hydraulic jump. The flow depth and velocity before the jump are 0.65 m and 5 m/s, respectively. The wasted power potential due to the hydraulic jump is
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OCF-156 Water flows in a clean and straight natural channel of rectangular cross section with a bottom width of 0.75 m and a bottom slope angle of 0.6 degree. If the flow depth is 0.15 m, the flow rate of water through the channel is
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