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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to

Chimney
Superheater
Steam space
Water space also

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Steam Boilers, Engines, Nozzles and Turbines
Vacuum for reciprocating steam engines compared to steam turbines is

Less
Equal
More
Could be more or less depending on the size of plant

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Equivalent evaporation is the amount of water evaporated in a boiler from and at

Room temperature
Saturation temperature at given pressure
100°C
0°C

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Steam Boilers, Engines, Nozzles and Turbines
Caking coals are those which

Show little or no fusing action
Burn completely
Burn freely
Form lumps or masses of coke

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Steam Boilers, Engines, Nozzles and Turbines
The friction present between the steam and the nozzle surfaces reduces the heat drop by

25 to 40%
10 to 15%
15 to 25%
40 to 60%

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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