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Generation of Electrical Energy

Generation of Electrical Energy
Rankine cycle efficiency of a good steam power plant may be in the range of

90 to 95 percent
35 to 45 percent
15 to 20 percent
70 to 80 percent

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Generation of Electrical Energy
Economiser improve the boiler efficiency by

10 to 12 %
1 to 5 %
13 to 15 %
4 to 10%

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Generation of Electrical Energy
Bio gas consist of

Only methane
Methane and CO2 with some impurities
None of these
A special organic gas

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Generation of Electrical Energy
For satellite the source of energy is

Any of these
Cryogenic storage
Battery
Solar cell

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Generation of Electrical Energy
In which of the following power plants the maintenance cost is usually high

Hydroelectric plant
Nuclear power plant
Diesel power station
Thermal power plant

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Generation of Electrical Energy
The modern steam turbine are

Impulse turbine
Reaction turbine
None of these
Impulse-reaction turbines

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