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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A device used to increase the temperature of saturated steam without raising its pressure, is called

Fusible plug
Blow off cock
Superheater
Stop valve

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks

90° to each other
180° to each other
0° to each other
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The chimney draught varies with

Temperature of furnace gases
All of these
Climatic conditions
Height of chimney

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Gusset stays in a boiler are provided to

Avoid explosion in furnace
Support furnace freely from top
Prevent leakage of hot flue gases
Prevent the bulging of flat surfaces

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