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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Heating of dry steam above saturation temperature is known as

Enthalpy
Super saturation
Latent heat
Superheating

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Steam Boilers, Engines, Nozzles and Turbines
Benson boiler requires

Two drums
One drum
No drum
Three drums

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Steam Boilers, Engines, Nozzles and Turbines
The radius of a dished head is taken approximately as

One fourth
Two
Half
One

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Steam Boilers, Engines, Nozzles and Turbines
Water tube boilers are those in which

Change in enthalpy
Work is done during adiabatic expansion
Water passes through the tubes and flue gases around it
Flue gases pass through tubes and water around it

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Steam Boilers, Engines, Nozzles and Turbines
The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle)

cos²α
sin²α
cot²α
tan²α

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is required for a steam condensing plant?

Air extraction pump
Condensate pump
Condenser
All of these

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