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Generation of Electrical Energy

Generation of Electrical Energy
Which of the following power plants need the least period for installation?

Nuclear power plant
Hydroelectric plant
Thermal power plant
Diesel power plant

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

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

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Generation of Electrical Energy
The diesel power station is generally used as

Peak load plant
Both peak & base load plant
None of these
Base load plant

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Generation of Electrical Energy
Economiser improve the boiler efficiency by

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

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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.

pv1A = C
pv = C
pv
pv1i = C

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Generation of Electrical Energy
Which of the following component, in a steam power plant, needs maximum maintenance attention?

Boiler
Condenser
Water treatment plant
Steam turbine

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