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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 injector
Steam turbine
Steam condenser
Steam boiler

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, the effect of super-saturation is to

Decrease dryness fraction of steam
Increase the entropy
Decrease specific volume of steam
Increase the heat drop

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Steam Boilers, Engines, Nozzles and Turbines
The bituminous coal is no caking if its carbon content is

90-95%
85-90%
81-85%
78-81%

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Steam Boilers, Engines, Nozzles and Turbines
The coal requirement per kW hour generation in the thermal power plant is of the order of

0.6 to 0.8 kg
0.2 to 0.4 kg
1.0 to 1.5 kg
0.1 to 0.2 kg

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve in a locomotive starts leaking. The leaking medium will be

Dry steam
Wet steam
Water
Super heated steam

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Steam Boilers, Engines, Nozzles and Turbines
The basic purpose of drum in boiler is to

Separate steam from water
Serve as storage of feed water for water wall
Serve as storage of steam
Remove salts from water

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