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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The length of Lancashire boiler varies from

6 to 7 m
7.25 to 9 m
5 to 6 m
9 to 10 m

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Steam Boilers, Engines, Nozzles and Turbines
The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required.

More
Equal
None of the listed here
Less

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

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

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Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

All of the listed here
Mercury boiler
Steam condenser
Steam turbine

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Sulphur content of fuels is very important to the plant operators because it

Promotes complete combustion
Has high heating value
Has highly corrosive effect
Retards electric precipitation

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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