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Power Systems

Power Systems
The insulator thickness on the conductor, in cables depends upon

 current
 reactive power
 power factor
 voltage

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Power Systems
Which of the following represents the sag(S) of a transmission line?

 S = wl²/4T
 S = wl²/8T
 S = wl²/2T
 S = wl²/16T

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Power Systems
Equal area criteria is used for

 absolute stability of the system
 relative stability of the system
 nether 1 nor 2
 either 1 or 2

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Power Systems
India’s largest thermal power station is located at

 Neyveli.
 Sarni.
 Kota.
 Chandrapur.

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Power Systems
Characteristics of arc quenching medium is/are

All of these
 Non flammable
 High thermal conductivity
 High dielectric strength

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Power Systems
The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs

 shunt capacitor at receiving end
 shunt resistance at receiving end
 shunt reactor at receiving end
All of these

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