Q. Overall efficiency of a centrifugal pump is the ratio of

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Q. The function of guide vanes in a reaction turbine is to

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Q. Which of the following statement is correct ?

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Q. If the ratio of corresponding velocities at corresponding points are equal, then the model and the prototype are said to have dynamic similarity.

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Q. The jet ratio is defined as the ratio of the

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Q. Mechanical efficiency of a centrifugal pump is the ratio of

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Q. A reciprocating pump is also called a __________ displacement pump.

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Q. The head available at the inlet of the turbine is known as net or effective head.

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Q. In an axial flow reaction turbine, the water flows __________ to the axis of the wheel.

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Q. The air vessel, in a reciprocating pump, is a cast iron closed chamber having an opening at its base.

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Q. A double overhung Pelton wheel has

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Q. Manometric head is the actual head of water against which a centrifugal pump has to work.

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Q. The hydraulic efficiency of an impulse turbine is the

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Q. The overall efficiency for a Pelton wheel lies between

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Q. Which of the following statement is wrong ?

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Q. Which of the following statement is correct as regard to water wheels?

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Q. Slip of a reciprocating pump is negative, when

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Q. Which of the following is not an impulse turbine?

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Q. A hydraulic accumulator is a device used to store __________ energy which may be supplied to a machine later on.

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Q. The Furneyron turbine is __________ reaction turbine.

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