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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Cut-off governing of steam engines is a method of controlling the engine output by varying

Temperature of intake steam
Pressure of intake steam
All of these
Volume of intake steam

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Steam Boilers, Engines, Nozzles and Turbines
The draught in locomotive boilers is produced by a

Centrifugal fan
Steam jet
None of these
Chimney

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for initially dry saturated steam is

0.546
0.577
0.582
0.601

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

2.5 m
1 m
1.5 m
2 m

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Steam Boilers, Engines, Nozzles and Turbines
Pick up the wrong statement about critical condition of steam

Liquid directly becomes steam
Latent heat is zero
Specific volume of steam and liquid is same
This is the maximum pressure limit

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Steam Boilers, Engines, Nozzles and Turbines
The compounding of turbines is done in order to

Improve efficiency
Reduce exit losses
All of these
Reduce speed of rotor

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