Q. What is the critical pressure ratio for initially wet steam?

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Q. The ratio of the useful heat drop to the isentropic heat drop is called ____________

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Q. Rateau turbine is ____________

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Q. When the cross-section of a nozzle increases continuously from entrance to exit, it is called a ____________

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Q. The value of the reheat factor varies from ____________

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Q. The difference in supersaturated temperature and saturation temperature at that pressure is called ____________

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Q. Parson’s turbine is a ____________

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Q. In reaction turbines, the axial thrust is due to ____________

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Q. The flow of steam is super-sonic ____________

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Q. The variation of steam pressure in the nozzle depends upon ____________

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Q. A binary vapour plant consists of ____________

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Q. The steam enters the nozzle at a ____________

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Q. In a reaction turbine, when steam flows through the fixed blades ____________

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Q. The impulse turbine rotor efficiency will have a maximum value of 0.5 cos2 α, where α is the nozzle exit flow angle, if the ____________

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Q. Steam turbines are used for ____________

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Q. Curtis turbine is a ____________

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Q. Which of the following statement is correct?

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Q. Parson’s reaction turbine is a __________ reaction turbine.

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Q. The diagram efficiency is the ratio of ____________

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Q. What is the purpose of governing in steam turbines?

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