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Power Systems

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

 1
 0.25
 0.75
 0.5

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Power Systems
A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 84*84
 83*83
 33*33
 34*34

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

 5
 3
 2
 7

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Power Systems
If skin depth is more, then skin effect is

 either 1 or 2
 less
None of these
 more

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Power Systems
The insulation of modern EHV is designed based on

 corona.
 lightning voltage.
 RI.
  switching voltage.

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

 Thorium.
 Beryllium.
  Boron.
 Heavy water.

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