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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
One kilowatt-hour energy is equivalent to

360 kJ
1000 J
3600 kJ
3600 kW/sec

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following are boiler accessories?

Economizer
Superheater
Both (A) and (B)
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The steam temperature with increase in load in case of a boiler fitted with radiation superheater

Decreases
First increases and then decreases
Remain unaffected
Increases

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

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

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Steam Boilers, Engines, Nozzles and Turbines
In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is

Low
Very low
Very high
High

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Steam Boilers, Engines, Nozzles and Turbines
The three "Ts" for good combustion are

Total air, time, and temperature
Thorough mixing, total air and temperature
Temperature, time, and turbulence
Total air, true fuel, and turbulence

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