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Economics of Power Generation

Economics of Power Generation
________ is invariably used for peak load

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

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Economics of Power Generation
In order to improve the power factor in case of 3 phase loads, the capacitors are connected in

Star or delta
Star
None of the listed here
Delta

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Economics of Power Generation
Load factor of a power station is generally

more than unity
equal to unity
equal to zero Diversity factor is always
less than unity

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Economics of Power Generation
The only motor that can be worked at leading power factor is

3-phase induction motor
1- phase induction motor
None of the listed here
Synchronous motor

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Economics of Power Generation
A load drwas active power(P), apparent power(S) and reactive power (Q) from the line. The power factor of the load is

P/Q
S/P
Q/P
P/S

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Economics of Power Generation
The main reason for low power factor of supply statem is due to the use of

Synchronous motors
Resistive load
Induction morors
All correct

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