Mechanical Engineering :: Hydraulic Machines
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The impeller of a centrifugal pump may have
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Kinematic similarity is said to exist between the model and the prototype, if both of them
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Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump)
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The flow ratio of Francis turbine is defined as the ratio of the
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Dynamic similarity is said to exist between the model and the prototype, if both of them
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A hydraulic ram is a device used to
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Overall efficiency of a centrifugal pump is the ratio of
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A.
energy available at the impeller to the energy supplied to the pump by the prime mover
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B.
actual workdone by the pump to the energy supplied to the pump by the prime mover
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C.
energy supplied to the pump to the energy available at the impeller
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D.
manometric head to the energy supplied by the impeller per kN of water
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