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Category > Engineering Posted 23 May 2017 My Price 7.00

Uniform flow occurs with a depth of 900 mm in a rectangular prismatic channel

1. Uniform flow occurs with a depth of 900 mm in a rectangular prismatic channel 2.5 m wide. If Manning’s n = 0.015 and the bed slope is 1 in 1200 what is the minimum height of hump in the bed over which critical flow will be produced?

2. A venturi flume of rectangular section, 1.2 m wide at inlet and 600 mm wide at the throat, has a horizontal base. Neglecting frictional effects in the flume calculate the rate of flow if the depths at inlet and throat are 600 mm and 560 mm respectively. A hump of 200 mm is now installed at the throat so that a standing wave is formed beyond the throat. Assuming the same rate of flow as before, show that the increase in upstream depth is about 67.4 mm.

 

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Alpha Geek
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Status NEW Posted 23 May 2017 09:05 AM My Price 7.00

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file 1495533525-Answer.docx preview (184 words )
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