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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
By compounding the expansion of steam in two or more cylinders, the ratio of expansion

Does not change
Decreases
Increases
None of these

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

Below atmospheric pressure
225.6 kg/cm²
100 kg/cm²
1 kg/cm²

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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
0°C
Saturation temperature at given pressure

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Steam Boilers, Engines, Nozzles and Turbines
The heat balance sheet for the boiler shows the

All of these
Steam formed by combustion of hydrogen per kg of fuel
Moisture present in the fuel
Complete account of heat supplied by 1 kg of dry fuel and the heat consumed

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is a water tube boiler?

Locomotive boiler
Babcock and Wilcox boiler
Cochran boiler
Lancashire boiler

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