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Steam Nozzles and Turbines
The pressure of steam, in reaction turbines, is reduced in the fixed blades as well as in moving blades.
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Steam Nozzles and Turbines
The ratio of the energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam is called mechanical efficiency.
The pressure of steam at throat of a steam nozzle is called critical pressure.
The friction in the nozzle __________ exit velocity of steam.
The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine.
The pressure of steam __________ while flowing through a nozzle.
In a single stage impulse turbine, the velocity of steam approaching nozzles is negligible.
When the cross-section of a nozzle first increases from its entrance to throat, and then decreases from its throat to exit, it is not a convergent-divergent nozzle.
A stage, in reaction turbine, is represented by
A nozzle is said to be a divergent nozzle
The ratio of the isentropic heat drop to the heat supplied, is called
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