Mechanical Engineering :: Hydraulic Machines
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In an inward flow reaction turbine
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The working of which of the following hydraulic units is based on Pascal's law?
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The hydraulic efficiency of a reaction turbine, is the ratio of
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In order to avoid cavitation in centrifugal pumps
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A hydraulic intensifier is a device used to increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure.
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The discharge through a reaction turbine __________ with the increase in unit speed.
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In a mixed flow reaction turbine, the flow of water is partly radial and partly axial.
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A Pelton wheel with one nozzle is preferred for a specific speed between 35 to 60 r.p.m.
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Which of the following pump is generally used to pump highly viscous fluid?
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The overall efficiency of an impulse turbine is the ratio of the actual power produced by the turbine to the energy actually supplied by the turbine.
A.
the water flows parallel to the axis of the wheel
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B.
the water enters at the centre of the wheel and then flows towards the outer periphery of the wheel
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C.
the water enters the wheel at the outer periphery and then flows towards the centre of the wheel
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D.
the flow of water is partly radial and partly axial
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