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Power Systems

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

 Kota.
 Chandrapur.
 Sarni.
 Neyveli.

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Power Systems
The function of moderator in a nuclear reactor is to

 reduce temperature.
  reduce the speed of neutrons.
  stop chain reaction.
 absorb neutrons.

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Power Systems
Skin effect depends on

 relative permeability
 frequency
All of these
 conductivity

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Power Systems
For 66 kV lines the number of insulator discs of each 11 kV used are

 3
 12
 6
 5

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Power Systems
If the breakdown voltage of the insulator is high, the thickness of the insulator is

 less
None of these
 high
 it does not related to breakdown voltage

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Power Systems
The per unit impedance Z(pu) is given by

 ZΩ* (MVA)b*100/(KV)²b
 ZΩ* (kVA)b/(KV)²b
 ZΩ* (MVA)b/(KV)²b
 ZΩ* (MVA)b/((KV)²b *100)

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