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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The discharge is __________ at critical pressure.

Minimum
None of these
Zero
Maximum

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Steam Boilers, Engines, Nozzles and Turbines
Equivalent evaporation is the amount of water evaporated in a boiler from and at

Room temperature
0°C
100°C
Saturation temperature at given pressure

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Steam Boilers, Engines, Nozzles and Turbines
The overall efficiency of thermal power plant is

Carnot cycle efficiency
Regenerative cycle efficiency
Boiler efficiency, turbine efficiency, generator efficiency
All the three above plus gas cycle efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value

1 – moisture content
1 + moisture content
(1- moisture content)
(1 + moisture content)

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter and length of locomotive boiler are

1.5 m, 4 m
1.5 m, 6 m
2 m, 4 m
1 m, 4 m

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Steam Boilers, Engines, Nozzles and Turbines
Blading efficiency is also known as

Diagram efficiency
Stage efficiency
None of these
Nozzle efficiency

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