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A rectangular open channel of 6 m width is carrying a discharge of 20 m3/s. Consider the acceleration due to gravity as 9.81 m/s2 and assume water as incompressible and inviscid. The depth of flow in the channel at which the specific energy of the flowing water is minimum for the given discharge will then be
  • a)
    3.18 m
  • b)
    2.56 m
  • c)
    0.82 m
  • d)
    1.04 m
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A rectangular open channel of 6 m width is carrying a discharge of 20...
Discharge (Q) = 20 m3/sec
Discharge per metre with (q) = Q/B = 20/6 = 3.33 m3/s/m
At critical depth, the specific energy of water is minimum.
For rectangular channel,
Critical path :
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A rectangular open channel of 6 m width is carrying a discharge of 20 m3/s. Consider the acceleration due to gravity as 9.81 m/s2 and assume water as incompressible and inviscid. The depth of flow in the channel at which the specific energy of the flowing water is minimum for the given discharge will then bea)3.18 mb)2.56 mc)0.82 md)1.04 mCorrect answer is option 'D'. Can you explain this answer?
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A rectangular open channel of 6 m width is carrying a discharge of 20 m3/s. Consider the acceleration due to gravity as 9.81 m/s2 and assume water as incompressible and inviscid. The depth of flow in the channel at which the specific energy of the flowing water is minimum for the given discharge will then bea)3.18 mb)2.56 mc)0.82 md)1.04 mCorrect answer is option 'D'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A rectangular open channel of 6 m width is carrying a discharge of 20 m3/s. Consider the acceleration due to gravity as 9.81 m/s2 and assume water as incompressible and inviscid. The depth of flow in the channel at which the specific energy of the flowing water is minimum for the given discharge will then bea)3.18 mb)2.56 mc)0.82 md)1.04 mCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A rectangular open channel of 6 m width is carrying a discharge of 20 m3/s. Consider the acceleration due to gravity as 9.81 m/s2 and assume water as incompressible and inviscid. The depth of flow in the channel at which the specific energy of the flowing water is minimum for the given discharge will then bea)3.18 mb)2.56 mc)0.82 md)1.04 mCorrect answer is option 'D'. Can you explain this answer?.
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