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Power Systems

Power Systems
A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?

 d
 5d
 2d
 3d

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Power Systems
Advantages of higher transmission voltage is/are

All of these
 Transmission line losses are reduced
 Power transfer capability of the transmission line is increased
 Area of cross section and volume of the conductor is reduced

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

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

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Power Systems
Which material is used in controlling chain reaction in a nuclear reactor

  Boron.
 Thorium.
 Heavy water.
 Beryllium.

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Power Systems
The value of inductance used for compensation of arcing grounds is

 1/3ω²C
 3/ω²C
 ω²C/3
 3ω²C

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Power Systems
On which one of the following cycles does a modern steam power plant work?

 Rankine cycle
 Bell-Coleman cycle
 Otto cycle
 Carnot cycle

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