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Economics of Power Generation

Economics of Power Generation
For given active power and voltage, the current drawn is minimum when the value of power factor is

O. 8 lead
0.8 lag
Unity
0.75 lag

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Economics of Power Generation
________ will be least affected due to charge in supply voltage frequency.

Ceiling fan
Room heater
Mixer grinder
Electric clock

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Economics of Power Generation
The least share of power in provided in india, by which of the following power plants?

Thermal power plant
Nuclear power plant
Diesel power plant
Hydroelectric plant

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Economics of Power Generation
Generating capacity connected to the bus bars and ready to take load when switched on is known as

firm power
cold reserve
spinning reserve
hot reserve

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Economics of Power Generation
Diversity factor has dirrect effect on the

Running cost of unit generated
Both fixed and running cost of unit generated
None of the listed here
Fixed cost of unit generated

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Economics of Power Generation
Which of the following devices may be used to provide protection against lightening over voltages ?

All of these
Horn gaps
Rod gaps
Surge absorbers

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