1.

A hydraulic jump is generally formed when a stream moving with

A. a hyper-critical velocity meets a stream moving with a critical velocity
B. a hyper-critical velocity meets a stream moving with a hyper-critical velocity
C. A hyper-critical velocity meets a stream moving with a sub-critical velocity
D. a sub-critical velocity meets a stream moving with a hyper-critical velocity.
Answer» D. a sub-critical velocity meets a stream moving with a hyper-critical velocity.


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