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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The steam temperature with increase in load in case of a boiler fitted with radiation superheater

Decreases
First increases and then decreases
Remain unaffected
Increases

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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
Evaporative capacity of boiler is expressed as

kg of steam produced
kg of steam produced per kg of fuel fifed
kg of fuel fired
Steam pressure produced

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Steam Boilers, Engines, Nozzles and Turbines
The impulse reaction turbine has its driving force

None of the listed here
Partly as an impulsive force and partly as a reaction force
As a reaction force
As an impulsive force

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

Decreases
Does not change
None of these
Increases

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Steam Boilers, Engines, Nozzles and Turbines
The effect of super-saturation is that the

All of these
Mass of the steam discharged increases
Entropy and specific volume of the steam increases
Exit velocity of steam reduces

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