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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The safety valve on boiler drum compared to safety valve on superheater is set at

Higher value
Same value
Lower value
Lower/higher depending on steam flow

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Steam Boilers, Engines, Nozzles and Turbines
There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called

Cushion steam
Saturated steam
Wet steam
Superheated steam

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure boiler is one, which produces steam at a pressure more than

5 kg/cm²
Atmospheric pressure
10 kg/cm²
7580 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of Cornish boiler varies from

1 to 2 m
0.5 to 1 m
2 to 3 m
1.25 to 2.5 m

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

12 m
1.52.5 m
2.53.5 m
23 m

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Steam Boilers, Engines, Nozzles and Turbines
In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,

Pressure remains constant
Velocity remains constant
Velocity increases
Velocity decreases

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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