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UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements regarding specific energy of flow in an open channel :
1. There is only one specific energy curve for a given channel.
2. Alternate depths are the depths of flow at which the specific energy is the same.
3. Critical flow occurs when the specific energy is minimum.
Of these statements :

A 1 and 2 are correct

B 1 and 3 are correct

C 2 and 3 are correct

D 1, 2 and 3 are correct

ANS:D - 1, 2 and 3 are correct

Yes, option C is correct.

There is more than one specific energy curve for a given channel.