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For a uniform flow depth of 2 m in a rectangular open channel having a width of 4 m and a bed slope of 0.0016, Manning’s coefficient is found to be 0.02. The velocity of the channel is
  • a)
    0.25 m/s
  • b)
    1.2 m/s
  • c)
    2.0 m/s
  • d)
    3.5 m/s
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
For a uniform flow depth of 2 m in a rectangular open channel having a...
Velocity in an open channel is given by

where
n = Manning’s Coefficient
R = Hydraulic radius = (Wetted Area/ Wetted Perimeter)
S = Bed Slope
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For a uniform flow depth of 2 m in a rectangular open channel having a width of 4 m and a bed slope of 0.0016, Manning’s coefficient is found to be 0.02. The velocity of the channel isa)0.25 m/sb)1.2 m/sc)2.0 m/sd)3.5 m/sCorrect answer is option 'C'. Can you explain this answer?
Question Description
For a uniform flow depth of 2 m in a rectangular open channel having a width of 4 m and a bed slope of 0.0016, Manning’s coefficient is found to be 0.02. The velocity of the channel isa)0.25 m/sb)1.2 m/sc)2.0 m/sd)3.5 m/sCorrect answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about For a uniform flow depth of 2 m in a rectangular open channel having a width of 4 m and a bed slope of 0.0016, Manning’s coefficient is found to be 0.02. The velocity of the channel isa)0.25 m/sb)1.2 m/sc)2.0 m/sd)3.5 m/sCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a uniform flow depth of 2 m in a rectangular open channel having a width of 4 m and a bed slope of 0.0016, Manning’s coefficient is found to be 0.02. The velocity of the channel isa)0.25 m/sb)1.2 m/sc)2.0 m/sd)3.5 m/sCorrect answer is option 'C'. Can you explain this answer?.
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