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Generation of Electrical Energy

Generation of Electrical Energy
In thermal power plant, economiser are used to heat

Air
Steam
None of these
Feed water

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Generation of Electrical Energy
The average ash content in indian coals is about

10%
20%
15%
5%

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Generation of Electrical Energy
The major heat loss in steam power plant occurs in

Condenser
None of these
Superheater
Boiler

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

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

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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
Decreases
Remains same
Increases

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Generation of Electrical Energy
For low head and large discharge, the hydraulic turbine used is

Kaplan turbine
Francis turbine
None of these
Pelton turbine

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