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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly

280 kg/h
150 kg/h
340 kg/h
210 kg/h

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Steam Boilers, Engines, Nozzles and Turbines
Reheating of steam in a turbine

Reduces wear on the blades
Increases the efficiency of the turbine
All of these
Increases the work-done through the turbine

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Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbine is a

Impulse-reaction turbine
Simple reaction turbine
None of these
Simple impulse turbine

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Locomotive boiler is of the following type

Horizontal
All of the listed here
Multi tubular
Internally fired

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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 turbine
Steam boiler
Steam injector
Steam condenser

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