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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?

 5d
 2d
 d
 3d

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Power Systems
One atomic mass unit is equivalent to

 120.4 MeV.
 180.5 MeV.
  931.4 MeV.
 251.2 MeV.

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

 both 1 and 2
 capacitance
 conductance
 inductance

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is

  5100 MVA.
 5500 MVA.
 5200 MVA.
  5000 MVA.

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Power Systems
In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system?

 0.75
 1
 0.5
 0.25

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Power Systems
MCB stands for

  miniature circuit breaker.
  molded circuit breaker.
  minimum capacity breaker.
  maximum capacity breaker.

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