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POWER SYSTEMS

Power Systems
Switchgear equipment include

  all of these.
  fuses.
  relays and CB.
  switches.

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Power Systems
The rating of CB is in terms of

  VAR.
  voltage.
  current.
  volt - ampere.

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Power Systems
MCB stands for

  molded circuit breaker.
  maximum capacity breaker.
  miniature circuit breaker.
  minimum capacity breaker.

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Power Systems
Recovery voltage in CB is equal to

  transient voltage.
  normal frequency 50 Hz rms voltage.
  arcing period voltage.
  none of these.

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Power Systems
A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be

  35 kVA.
 70 kVA.
 49 kVA.
  89.22 kVA.

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