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Power Systems

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

 power factor
 reactive power
 voltage
 current

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Power Systems
Operator "a" rotates a vector

 either 1 or 2
 nether 1 nor 2
 anti clock wise direction
 clock wise direction

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Power Systems
Percentage of carbon is highest in

  lignite coal.
  bituminous coal.
  anthracite coal.
  coal gas.

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Power Systems
How much KWh energy is produced by fission of 1 gm of uranium U235

  24000 kWh.
 2400 kWh.
 240 kWh.
  24 kWh.

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Power Systems
The rating of CB is in terms of

  current.
  voltage.
  VAR.
  volt - ampere.

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Power Systems
To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have?

 Y-Δ connection
 Δ-Δ connection
 Y-Y connection
 Δ-Y connection

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