The flow in a horizontal - frictionless rectangular openchannel is supercritical. Asmooth hump is built on thechannel floor. As the height ofhump is increased - chokedcondition is attained. Withfurther increase in the height ofthe hump - the water surface will

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The flow in a horizontal - frictionless rectangular openchannel is supercritical. Asmooth hump is built on thechannel floor. As the height ofhump is increased - chokedcondition is attained. Withfurther increase in the height ofthe hump - the water surface will