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 :

Consider the following statements regarding specific energy of flow in

1.	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
Answer» E.

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