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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Sulphur in coal results in

Spontaneous combustion during coal storage
All of these
Facilitating ash precipitation
Corroding air heaters

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Steam Boilers, Engines, Nozzles and Turbines
In a throttling process

Steam pressure remains constant
Steam temperature remains constant
Steam enthalpy remains constant
Steam entropy remains constant

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Steam Boilers, Engines, Nozzles and Turbines
In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to

Chimney
Steam space
Water space also
Superheater

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of fire tube of Cornish boiler compared to its shell is

One fourth
One third
One fifth
One half

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Steam Boilers, Engines, Nozzles and Turbines
A single acting steam engine produces ___ power than that of double acting steam engine.

Four times
Double
Equal
Half

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Steam Boilers, Engines, Nozzles and Turbines
One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

1
0.8
0.2
0.6

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