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Power Systems

Power Systems
Phase shift occurs due to which of the following components?

 inductance
 capacitance
 conductance
 both 1 and 2

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Power Systems
Telecommunication lines are transposed to reduce the

 voltage level
All of these
 radio interference in communication lines
 efficiency

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Power Systems
The total number of strands in a ACSR conductor are 7, then find the layer number?

 2
 3
 7
 5

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Power Systems
Where air circuit breakers are used?

  Up to 11 kV.
  Up to 12 kV.
  Up to 66 kV.
  Up to 33 kV.

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Power Systems
Attenuation occurs due to

 conductance
 resistance
 both 1 and 3
 inductance

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Power Systems
The ratio of reset to pick up current for an induction cup relay is approximately

 0.75.
  0.99.
 1.0.
 1.35.

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