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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as

Fusible plug
Superheater
Stop valve
Blow off cock

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Steam Boilers, Engines, Nozzles and Turbines
The value of the reheat factor varies from

1.08 to 1.10
1.6 to 2
1.2 to 1.6
1.02 to 1.06

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of brake power to the indicated power is known as

Brake thermal efficiency
Overall efficiency
Mechanical efficiency
Indicated thermal efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Which is not correct statement about pulverized fuel firing?

Heat release can be easily controlled
It is the best technique for burning high ash content fuel having low fusion ash
High burning rate is possible
Fuel burns economically

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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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Steam Boilers, Engines, Nozzles and Turbines
Locomotive type' boiler is

Horizontal multi-tubular fire tube type
Vertical tubular fire tube type
Horizontal multi-tubular water tube boiler
Water wall enclosed furnace type

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