एक क्षैतिज आयताकार चैनल में होने वाले हाइड्रोलिक जंप (hydraulic jump) में, अनुक्रमिक गहराई (sequent depths) 0.25 m और 1.25 m हैं। इस जंप में ऊर्जा की हानि कितनी है?

The rise of water level above its normal level upstream of a bridge or structure due to constriction is called:

Which of the following conditions represents uniform flow in an open channel, where dhdx is the variation of water depth along the bottom of the channel?