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Generation of Electrical Energy

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

Diesel power station
Thermal power plant
Hydroelectric plant
Nuclear power plant

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Generation of Electrical Energy
The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation.

pv1i = C
pv
pv = C
pv1A = C

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Generation of Electrical Energy
Binary vapor cycles are used to

Increase the efficiency of the plant
Increase efficiency of the turbine
None of these
Increase the performance of the condenser

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Generation of Electrical Energy
The thermal efficiency of a steam power plant is about

80%
69%
75%
28%

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Generation of Electrical Energy
Artifical draught is produced by

All of these
Air fans
Steam jet
Fan or steam jet

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Generation of Electrical Energy
In a power station, diversity factor _______ as we move from consumer to power station

None of these
Remains same
Decreases
Increases

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