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Power Systems

Power Systems
Mho relay is used for protection of

  long lines.
  none of these.
  medium lines.
  short lines.

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Power Systems
Which of the following insulator is practically used for railway crossings?

All of these
 pin insulator
 string insulator
 strain insulator

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Power Systems
Example of base load stations are

  both A and B.
  gas turbine.
  hydro.
  thermal.

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Power Systems
In thermal power plants the size of coal after crushing

 40 mm.
 200 - 205 mm.
  300 mm.
  20 - 25 mm.

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Power Systems
Transmission line parameters of the short transmission line are

 1,Z,Y,1
 1,0,Y,1
 Z,0,Y,1
 1,Z,0,1

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Power Systems
Which device is used for protection of equipment from from damage caused by overload or short circuit?

 CVT
 lightning arrester
 current transformer
 circuit breaker

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