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Power Systems

Power Systems
Demand factor of a plant is

 less than 1
 0
 greater than 1
 1

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Power Systems
In a two plant system, the load is connected to plant number 2. The loss coefficients are

 B11,B22 are non zero,B12 = 0
 B11 is non zero,B22 = B12 = 0
 B11,B12 are non zero ,B22 = 0
 B11,B22,B12 are non zeros

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Power Systems
The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is

 20.
  5.
 10.
 55.1.

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Power Systems
A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is

 1.232 mH
 1.182 mH
 1.043 mH
 1.093 mH

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Power Systems
Which of the following is/are the effects of corona

 interference decreases
All of these
 charging current increases
 power loss decreases

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Power Systems
Nuclear fission means

  breaking up of nuclear of heavy atoms into nearly equal parts.
  combination of two light nuclei.
  moderator.
  graphite.

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