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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and

Efficiency
Brake power
Indicated power
Pressure of steam

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Steam Boilers, Engines, Nozzles and Turbines
The length of Lancashire boiler varies from

7.25 to 9 m
6 to 7 m
9 to 10 m
5 to 6 m

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Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is not used in

Lancashire boiler
Locomotive boiler
Cornish boiler
Cochran boiler

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve mainly used with locomotive and marine boilers is

High steam and low water safety valve
Dead weight safety valve
Lever safety valve
Spring loaded safety valve

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Steam Boilers, Engines, Nozzles and Turbines
Hard coke is produced by carburization of coal at

950-1100°C
500-600°C
700-850°C
Atmospheric temperature

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Steam Boilers, Engines, Nozzles and Turbines
100% efficiency of a thermal cycle cannot be achieved because of

Leakage
Non availability of ideal substance
Frictional losses
It is not possible to achieve 0°K temperature

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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