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Economics of Power Generation

Economics of Power Generation
When the power factor of generating station is improved, the cost per unit

None of the listed here
Remains same
Decreases
Increases

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Economics of Power Generation
Maximum demand tariff is generally not applied to domestic consumers because

Their load factor is low
They consume less power
Their maximum demand is low
None of the listed here

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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
Load curve helps in deciding

operating schedule of generating units
all of the listed here
total installed capacity of the plant
sizes of the generating units

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Economics of Power Generation
________ is invariably used for peak load

Steam turbine plant
Pumped storage plant
Nuclear power plant
None of these

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Economics of Power Generation
______ is the reserved generating capacity available for service under emergency conditions which is not kept in operation but but in working order.

Hot reserve
Firm power
Cold reserve
Spinning reserve

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