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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The discharge is __________ at critical pressure.

Minimum
Maximum
None of these
Zero

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Steam Boilers, Engines, Nozzles and Turbines
The crown of the fire box is made hemispherical in order to

Withstand pressure inside boiler
Give maximum strength
Give maximum space
Resist intense heat in fire box

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

Increases
Decreases
None of these
Does not effect

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Steam Boilers, Engines, Nozzles and Turbines
The change in internal energy in steam engines equals to

Work done during adiabatic expansion
Work done during the Rankine cycle
Change in enthalpy
Work done during compression

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler works on a forced circulation of water?

Benson boiler
Loeffler boiler
Lamont boiler
All of these

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called

Both (A) and (B)
Woolf type compound engine
Receiver type compound engine
Tandem type compound engine

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