Power Systems
In relay coil which is used?

  Power transformer.
  Potential transformer.
  Instrument transformer.
  Current transformer.

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Power Systems
ACSR means

 Aluminium conductor steel reinforced
 Aluminium core steel reinforced
 Aluminium copper steel reinforced
 all conductor steel reinforced

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Power Systems
The power level of nuclear reactor can be increase by ( K = multiplication factor )

 lowering the value of K below 1 but later bringing it back to K = 1.
 lowering the value of K below and keeping at that lowered value.
 raising the value of K above 1 and keeping it at raised value.
  raising the value of K above 1, but later bringing it back to K = 1.

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