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Steam Boilers, Engines, Nozzles and Turbines

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

3600 kJ
360 kJ
1000 J
3600 kW/sec

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Steam Boilers, Engines, Nozzles and Turbines
An economiser in a boiler

Increases steam pressure
Decreases fuel consumption
Decreases steam pressure
Increases steam flow

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Steam Boilers, Engines, Nozzles and Turbines
In a Woolf type compound engine, the high pressure and low pressure cylinders

Have separate piston rod
Are set in V arrangement
Are set at 90°
Have common piston rod

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Steam Boilers, Engines, Nozzles and Turbines
The mechanical draught _________ with the amount of smoke.

Decreases
None of these
Increases
Does not effect

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of reheat steam after passing through reheater compared to inlet condition is

Less
More
May be more or less depending on capacity of reheater
Equal

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is used where working pressure and power required are

None of these
High
Moderate
Low

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