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Power Systems

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

 voltage
 current
 reactive power
 power factor

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Power Systems
Alternate formation and breakage of bubbles are called

  water hamming.
All of these
  surgfication.
  cavitations.

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Power Systems
If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be

 25.
 15.
 50.
 10.

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Power Systems
NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at

 Farakka.
 Katwa.
 Bakreshwar.
 Durgapur.

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Power Systems
Galvanised steel is generally used as

 earth wire.
 structural components.
All of these
 stray wire.

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Power Systems
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 163 × 163
 165 × 165
 162 × 162
 164 × 164

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