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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Adiabatic process is

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

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Steam Boilers, Engines, Nozzles and Turbines
The performance of a boiler is measured by the

Steam produced in kg/h
Steam produced in kg/kg of fuel burnt
All of the listed here
Amount of water evaporated per hour

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Steam Boilers, Engines, Nozzles and Turbines
The reheat factor depends upon

Initial pressure and superheat
All of these
Turbine stage efficiency
Exit pressure

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Steam Boilers, Engines, Nozzles and Turbines
The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become

Dry
Superheated
Remain dry saturated
Wet

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler is best suited to meet the fluctuating demand of steam?

Locomotive boiler
Cornish boiler
Lancashire boiler
Babcock and Wilcox boiler

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of the plant __________ with the mechanical draught.

Remains constant
Increases
None of these
Decreases

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