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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The ratio of the workdone on the blades to the energy supplied to the blades, is called

Mechanical efficiency
Nozzle efficiency
Gross or stage efficiency
Blading efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following substance will have same percentage in both proximate and ultimate analysis?

Ash
Volatile matter
Hydrogen
Moisture

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Steam Boilers, Engines, Nozzles and Turbines
The number of drums in Benson steam generator is

One
No drum
Two
One steam drum and one water drum

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Steam Boilers, Engines, Nozzles and Turbines
Adiabatic process is

Constant temperature process
Essentially an isentropic process
Reversible process
Non-heat transfer process

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Steam Boilers, Engines, Nozzles and Turbines
The draught in locomotive boilers is produced by a

Centrifugal fan
Steam jet
None of these
Chimney

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Steam Boilers, Engines, Nozzles and Turbines
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.

None of these
Same
Less
More

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