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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced.

Decreases
Increases
Remains same
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler is best suited to meet the fluctuating demand of steam?

Locomotive boiler
Cornish boiler
Lancashire boiler
Babcock and Wilcox boiler

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

79 m
35 m
24 m
57.5 m

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is a

Stationary water tube boiler
Water tube boiler with natural/forced circulation
Stationary fire tube boiler
Mobile fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
For combustion of a fuel, following is essential

Proper ignition temperature
O₂ to support combustion
Correct fuel air ratio
All the three above

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Steam Boilers, Engines, Nozzles and Turbines
The effect of friction in the nozzle ___ dryness fraction of steam.

Decreases
Increases
Has no effect on
None of the listed here

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