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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
1 kg.m is equal to

427 Joules
None of these
102 Joules
9.81 Joules

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Steam Boilers, Engines, Nozzles and Turbines
Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value

(1 + moisture content)
1 + moisture content
1 – moisture content
(1- moisture content)

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Steam Boilers, Engines, Nozzles and Turbines
The average operating pressure of Benson boiler is

100 bar
250 bar
200 bar
150 bar

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

Increases
Does not effect
None of these
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called

Balanced draught
Forced draught
Natural draught
Induced draught

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following compound steam engine requires a smaller flywheel?

Receiver type
Woolf type
All of these
Tandem type

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