Q. The overall efficiency of a reaction turbine is the ratio of __________

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Q. Manometric head, in case of a centrifugal pump, is equal to __________

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Q. What is the mechanical efficiency of an impulse turbine?

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Q. The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as?

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Q. Geometric similarity is said to exist between the model and the prototype if both of them __________

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Q. A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the __________

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Q. Slip of a reciprocating pump is defined as the __________

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Q. Multi-stage centrifugal pumps are used to __________

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Q. A hydraulic coupling belongs to the category of __________

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Q. Discharge of a centrifugal pump is __________

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Q. Which of the following turbine is preferred for 0 to 25 m head of water?

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