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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
An air preheater is installed

Between the economiser and chimney
Before the economiser
Before the superheater
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Induced steam jet draught
Chimney draught
Forced steam jet draught
None of these

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

Receiver type
All of these
Woolf type
Tandem type

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam, as it flows over the blades in reaction turbine, represents

Isentropic process
Throttling process
Free expansion process
Isothermal process

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Steam Boilers, Engines, Nozzles and Turbines
The compounding of turbines is done in order to

Improve efficiency
All of these
Reduce exit losses
Reduce speed of rotor

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Steam Boilers, Engines, Nozzles and Turbines
The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced.

None of the listed here
Decreases
Remains same
Increases

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