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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p₂) will be

3.3 bar
9.9 bar
8.2 bar
5.46 bar

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Steam Boilers, Engines, Nozzles and Turbines
Steam exhaust from high pressure turbine is reheated in

A separate coil located in convection path
Boiler drums
Superheater tubes
Economizer

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Steam Boilers, Engines, Nozzles and Turbines
In locomotive boiler, maximum steam pressure is limited to

10 kg/cm²
1 kg/cm²
5 kg/cm²
18 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
The actual power generated in the engine cylinder is called

None of these
Frictional power
Indicated power
Brake power

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Steam Boilers, Engines, Nozzles and Turbines
Expansion ratio is the ratio of

Clearance volume to the swept volume
Swept volume to the clearance volume
Volume at cut-off to the swept volume
Swept volume to the volume at cut-off

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Steam Boilers, Engines, Nozzles and Turbines
The height of chimney in a power plant is governed by

Limitation of construction facilities
The draft to be created
Quantity of flue gases to be handled
Control of pollution

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