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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In locomotive boiler, maximum steam pressure is limited to

1 kg/cm²
18 kg/cm²
5 kg/cm²
10 kg/cm²

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

None of these
Decreases
Increases
Does not change

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Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbine is a

Simple reaction turbine
Impulse-reaction turbine
None of these
Simple impulse turbine

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The average value of diagram factor lies between

0.2 to 0.5
0.5 to 0.65
0.65 to 0.9
0.8 to 1.2

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Steam Boilers, Engines, Nozzles and Turbines
The velocity of whirl at outlet for an axial discharge turbine is

Zero
Minimum
Maximum
None of these

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