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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The actual power generated in the engine cylinder is called

None of these
Indicated power
Brake power
Frictional power

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as

Efficiency of the fan
Power of the boiler
Efficiency of the boiler
Efficiency of the chimney

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure at which latent heat of vaporisation is zero is

225.65 kgf/ cm²
273 kgf/ cm²
100 kgf/ cm²
1 kgf/ cm²

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Steam Boilers, Engines, Nozzles and Turbines
The effect of friction in the nozzle ___ dryness fraction of steam.

Increases
None of the listed here
Has no effect on
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as

100°C and normal atmospheric pressure
50°C and 1.1 bar pressure
100°C and 1.1 bar pressure
50°C and normal atmospheric pressure

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Steam Boilers, Engines, Nozzles and Turbines
In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is

0.007 bar
0.067 bar
0.06 bar
0.053 bar

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