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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A closed vessel made of steel and used for the generation of steam is called a

Steam condenser
Steam turbine
Steam injector
Steam boiler

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Steam Boilers, Engines, Nozzles and Turbines
Benson boiler requires

One drum
No drum
Two drums
Three drums

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Steam Boilers, Engines, Nozzles and Turbines
Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power)

(I.P.)²
I.P.
1/(I.P)²
1/(I.P)

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Steam Boilers, Engines, Nozzles and Turbines
Maximum energy loss in a boiler occurs due to

Ash content
Incomplete combustion
Flue gases
Unburnt carbon in ash

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Steam Boilers, Engines, Nozzles and Turbines
The heat balance sheet for the boiler shows the

Moisture present in the fuel
Complete account of heat supplied by 1 kg of dry fuel and the heat consumed
All of these
Steam formed by combustion of hydrogen per kg of fuel

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure at which latent heat of vaporisation is zero is

273 kgf/ cm²
1 kgf/ cm²
225.65 kgf/ cm²
100 kgf/ cm²

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