Question

Consider the following statements in respect of specific energy of flow in an open channel of fixed width:
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.
Which of these statements are correct?

• A. 1 and 3
• B. 1, 2, and 3
• C. 1 and 2
• D. 2 and 3

Answer 1

The correct option is D 2 and 3