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

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Steam Boilers, Engines, Nozzles and Turbines
The effect of friction on the flow of steam through a nozzle is to

Increase the exit temperature without any effect on mass flow rate
Decrease the mass flow rate and to increase the wetness of steam
Decrease the mass flow rate and to decrease the wetness of steam
Increase the mass flow rate and to increase the exit temperature

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Steam Boilers, Engines, Nozzles and Turbines
The proximate analysis of fuel lists

Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight
Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash
Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash
Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume

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