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Consider the ...

Question

Consider the following statements regarding the critical flow:
1. Specific energy is maximum for a given discharge.
2. Specific force is maximum for a given discharge
3. Discharge is maximum for a given specific force.
4. Discharge is maximum for a given specific energy.

Which of these statements are correct?

A

2 and 3

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B

3 and 4

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C

1 and 2

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D

1, 2, 3 and 4

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Solution

The correct option is B 3 and 4
At critical flow, specific energy and specific force are minimum for a given discharge.
In other words for given specific energy or specific force, discharge is maximum at critical flow.

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