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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is

0.067 bar
0.06 bar
0.053 bar
0.007 bar

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler is of the order of

57.5 m
24 m
35 m
79 m

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Steam Boilers, Engines, Nozzles and Turbines
The cylinder condensation or missing quantity may be reduced by

The efficient steam jacketing of the cylinder walls
Keeping the expansion ratio small in each cylinder
All of these
Superheating the steam supplied to the engine cylinder

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Steam Boilers, Engines, Nozzles and Turbines
The value of diagram factor depends upon

Back pressure
Initial conditions of steam
All of these
Initial pressure of steam

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter of a Locomotive boiler is

1 m
2 m
2.5 m
1.5 m

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is used where working pressure and power required are

Low
Moderate
High
None of these

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