Gate Exam Category


In an inward flow reaction turbine


A. the water flows parallel to the axis of the wheel
B. the water enters at the centre of the wheel and then flows towards the outer periphery of the wheel
C. the water enters the wheel at the outer periphery and then flows towards the centre of the wheel
D. the flow of water is partly radial and partly axial

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Gate Other Question


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


The working of which of the following hydraulic units is based on Pascal's law?


A. Air lift pump
B. Jet pump
C. Hydraulic coupling
D. Hydraulic press