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The minimum specific energy of a rectangular channel is 1.3m and the base width of the channel is 10m, calculate the discharge through the channel.
  • a)
    10 m3/s
  • b)
    15 m3/s
  • c)
    20m3/s
  • d)
    25m3/s
Correct answer is option 'D'. Can you explain this answer?
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Given Data:
Specific energy (E) = 1.3 m
Base width (B) = 10 m

Formula:
The discharge (Q) through the rectangular channel can be calculated using the specific energy formula:
Q = (1.49/ n) * B * E^(3/2)

Calculation:
Substitute the given values into the formula:
Q = (1.49/1) * 10 * (1.3)^(3/2)
Q = 1.49 * 10 * 2.398
Q = 35.76 m^3/s
Therefore, the discharge through the channel is 35.76 m^3/s, which is closest to option 'D' - 25 m^3/s.
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The minimum specific energy of a rectangular channel is 1.3m and the base width of the channel is 10m, calculate the discharge through the channel.a)10 m3/sb)15 m3/sc)20m3/sd)25m3/sCorrect answer is option 'D'. Can you explain this answer?
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