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Irrigation

Q1: 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.

ANS:C - A hyper-critical velocity meets a stream moving with a sub-critical velocity

HYDRAULIC JUMP: When a stream of water with high velocity and low depth (i. e Supercritical flow) strikes another stream of water moving with a low velocity and high depth (i.e Sub-critical flow), a sudden rise in the surface of the former takes place.



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