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Power Systems

Power Systems
A CT is connected in ___________________ with the line.

  across.
  both A and B.
  not connected.
  series.

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Power Systems
The shape of the disc of an induction disc relay is

  none of these.
  elliptical.
  spiral.
  circular.

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Power Systems
Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load?

 1.098 pu
 0.098 pu
 1 pu
 0.98 pu

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Power Systems
If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments?

 33 to 50 kV
 31.35 to 34.65 kV
 25 to 35 kV
 any voltage above 33 kV

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Power Systems
If the load is short circuited, then reflection coefficient of voltage is

 1
 -2
 0
 -1

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Power Systems
Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors

 Graphite.
  Heavy water.
 Beryllium.
 Water.

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