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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The diameter of flue tube in a Cornish boiler is _________ that of the shell.

Two-fifth
One-fourth
Three-fifth
One-third

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

Brake power
Frictional power
None of these
Indicated power

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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
100°C
Saturation temperature at given pressure
0°C

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Steam Boilers, Engines, Nozzles and Turbines
The effect of super-saturation is that the

All of these
Mass of the steam discharged increases
Exit velocity of steam reduces
Entropy and specific volume of the steam increases

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Steam Boilers, Engines, Nozzles and Turbines
At which pressure the properties of water and steam become identical

225.6 kg/cm²
1 kg/cm²
100 kg/cm²
0.1 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve mainly used with locomotive and marine boilers is

Lever safety valve
High steam and low water safety valve
Dead weight safety valve
Spring loaded safety valve

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