Gate Exam Category


A hydraulic ram is a device used to


A. store the energy of water
B. increase the pressure of water
C. to lift water from deep wells
D. to lift small quantity of water to a greater height when a large quantity of water is available at a smaller height

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Gate Other Question

A draft tube is used with impulse turbines.


A. Yes
B. No


Overall efficiency of a centrifugal pump is the ratio of


A. energy available at the impeller to the energy supplied to the pump by the prime mover
B. actual workdone by the pump to the energy supplied to the pump by the prime mover
C. energy supplied to the pump to the energy available at the impeller
D. manometric head to the energy supplied by the impeller per kN of water