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Power Systems

Power Systems
Fault calculations using computer are usually done by

 Y bus method
 Z bus method
 either 1 or 2
None of these

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Power Systems
In nuclear chain fission reaction each neutron causing fission produces

 less than one new neutron.
 one new neutron.
 no new neutron.
  at least one new neutron.

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Power Systems
The insulation of modern EHV is designed based on

 RI.
  switching voltage.
 lightning voltage.
 corona.

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Power Systems
Which of the following represents the sag(S) of a transmission line?

 S = wl²/2T
 S = wl²/8T
 S = wl²/4T
 S = wl²/16T

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Power Systems
If the conductor diameter decreases, inductance of the line,

None of these
 increases
 remains unaffected
 decreases

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Power Systems
Operator "a" rotates a vector

 nether 1 nor 2
 anti clock wise direction
 either 1 or 2
 clock wise direction

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