Q. What is the action of steam in a steam turbine?

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Q. The critical pressure gives the velocity of steam at the throat ___________

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Q. The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be ___________

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Q. The flow through a nozzle is regarded as ___________

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Q. The steam leaves the nozzle at a ____________

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Q. When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be ____________

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Q. De-Laval turbine is a ____________

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Q. The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop ____________

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Q. A turbine is said to have an axial discharge when the steam leaves the blade tip at __________ to the direction of the blade motion.

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Q. The Parsons’ reaction turbine has ____________

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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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