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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
1 kg.m is equal to

427 Joules
9.81 Joules
None of these
102 Joules

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Steam Boilers, Engines, Nozzles and Turbines
Steam in water tube boiler as compared to fire tube boiler

Is raised at same rate
Can be raised rapidly
Is raised at slower rate
Could be raised at fast/slow rate depending on design

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Steam Boilers, Engines, Nozzles and Turbines
The difference of supersaturated temperature and saturation temperature at that pressure is called

Degree of under-cooling
Degree of super-saturation
Degree of superheat
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is

Equal
May be less or more depending on temperature
Less
More

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is a fire tube boiler?

Yarrow boiler
Lancashire boiler
None of these
Babcock and Wilcox boiler

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Steam Boilers, Engines, Nozzles and Turbines
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

Fusible plug
Safety valve
Blow off cock
Stop valve

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