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Power Systems

Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.25
 0.75
 0.5
 0.4

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Power Systems
The insulation of modern EHV is designed based on

 lightning voltage.
 corona.
  switching voltage.
 RI.

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Power Systems
Which of the following is/are the methods of improving transient stability?

 Fast acting governing system
All of these
 Fast acting excitation control
 Dynamic breaking

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Power Systems
Find the value of a729, where "a" is the operator

 α
 1
 α²
 0

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Power Systems
Transmission lines are transposed to reduce

 ferranti effect
 interference with neighbouring communication lines
 proximity effect
 skin effect

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Power Systems
One fission of U235 releases energy of

 435 MeV.
  200 MeV.
 335 MeV.
 525 MeV.

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