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Generation of Electrical Energy

Generation of Electrical Energy
The peak power supplied by peak load station is

None of these
Same expensive as base load
Very costly
Very cheap

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Generation of Electrical Energy
Alternator converts

None of these
Mechanical energy into electrical energy
Sound energy into electrical energy
Electrical energy into mechanical energy

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Generation of Electrical Energy
Evaporative type of condenser has

None of these
either (A) or (B)
steam in pipes surrounded by water
water in pipes surrounded by steam

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Generation of Electrical Energy
The overall efficiency of thermal power plant is equal to

Rankine cycle efficiency
Regenerative cycle efficiency
Carnot cycle efficiency
Bioler efficiency × turbine efficiency × generator efficiency

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Generation of Electrical Energy
A steam power station requires space

Equal to diesel power station
None of these
More than diesel power station
Less than diesel power station

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Generation of Electrical Energy
The efficiency of a modern boiler using coal and heat recovery equipment is about

25 to 30%
85 to 90%
65 to 70%
40 to 50%

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