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Steam Boilers, Engines, Nozzles and Turbines

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

Steam boiler
Steam injector
Steam condenser
Steam turbine

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler is of the order of

35 m
57.5 m
79 m
24 m

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The number of drums in Benson steam generator is

Two
No drum
One steam drum and one water drum
One

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of total useful heat drop to the total isentropic heat drop, is called

Stage efficiency
Internal efficiency
Rankine efficiency
None of these

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Steam Boilers, Engines, Nozzles and Turbines
Thermal efficiency of well maintained boiler will be of the order

0.4
0.5
0.9
0.75

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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