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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Calorific value of coal is of the order of

200-400 kcal/ kg
2000-4000 kcal/ kg
800-1200 kcal/ kg
5000-8000 kcal/ kg

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Steam Boilers, Engines, Nozzles and Turbines
With increase in load, convection superheater has

Rising characteristic
Flat characteristic
Drooping characteristic
Linear characteristic

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Steam Boilers, Engines, Nozzles and Turbines
The flow through a nozzle is regarded as

Isothermal flow
Isentropic flow
Constant pressure flow
Constant volume flow

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Steam Boilers, Engines, Nozzles and Turbines
In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure.

Lower than
Equal to
Higher than
None of these

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Steam Boilers, Engines, Nozzles and Turbines
A closed vessel made of steel and used for the generation of steam is called a

Steam turbine
Steam injector
Steam boiler
Steam condenser

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Steam Boilers, Engines, Nozzles and Turbines
The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become

Remain dry saturated
Dry
Superheated
Wet

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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