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Generation of Electrical Energy

Generation of Electrical Energy
1 kWh=______kcal

520
860
610
746

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Generation of Electrical Energy
Alternator converts

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

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Generation of Electrical Energy
To supply base load of a power station, _______ power plant is very suitable.

Nuclear power plant
Diesel power station
Gas power station
None of these

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Generation of Electrical Energy
In interconnected grid system, more efficient plants are used as

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

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

Nuclear power plant
Hydroelectric plant
Thermal power plant
Diesel power station

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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
pv1i = C
pv
pv = C

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