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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The ratio of the clearance volume to the swept volume is called

Cut-off ratio
Clearance ratio
Expansion ratio
None of these

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

Steam boiler
Steam condenser
Steam turbine
Steam injector

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Steam Boilers, Engines, Nozzles and Turbines
A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as

Steam preheater
Steam condenser
Economiser
Steam boiler

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Steam Boilers, Engines, Nozzles and Turbines
The factor of evaporation for all boilers is always

Less than unity
Greater than unity
None of these
Equal to unity

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Steam Boilers, Engines, Nozzles and Turbines
Presence of moisture in fuel oil would

Clean the nozzles
Keep the burner tips cool
Because sputtering, possibly extinguishing flame
Aid in proper combustion

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Steam Boilers, Engines, Nozzles and Turbines
Bomb calorimeter is used to determine

Higher calorific value at constant volume
Lower calorific value at constant volume
Higher calorific value at constant pressure
Lower calorific value at constant pressure

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