Q19. | For a steep slope profile s1, The type of flow will de : |
Q20. | A hydraulic turbine has a discharge of 5 m 3/ sec, when operation under a head of 20 m with a speed of 500 rpm. if it is to operate under a head of 15 m, for the same discharge , the rotational speed in rpm will approximately be: |
Q21. | A trapezoidal channel with bottom width of m 3 and side slope of lV :5H carries a discharge of 8.0 m 3/ sec with the flow depth of 1.5 The Froude number of the flow is : |
Q22. | A trapezoidal channel with bottom width of 3 m and side slope of 1v: 1 5 H carries a discharge of 8.0 m 3/ sec with the flow depth of 1.5 m. the Froude number of the flow is : |
Q23. | water flows at a rate of 10 m 3/s in a rectangular channel 3 m wide .the critical depth of flow is : |
Q24. | Cavitations in caused by: |