51. For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance 'd' measured from the wall of the pipe and the friction velocity 'v', and it follows a __________ relationship.
52. The head developed by a centrifugal pump is largely determined by the
53. Cavitation occurs in a centrifugal pump when the suction pressure is
54. Draining of shallow pits or sump is done by a sump pump, which is a __________ pump.
55. Specific speed for a centrifugal pump is
56. Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an
57. Which of the following is an undesirable property of a manometric liquid?
58. Pick out the wrong statement.
59. Which of the following is used for pumping crude oil from oil well?
60. When the head pumped against is less than the head of the fluid used for pumping, the usual device is a/an
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