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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?

 0.25
 0.75
 0.5
 1

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Power Systems
The power output from an hydroelectric plants depend on

 type of turbine, type of dam and type of catchment area.
  discharge, system efficiency.
 type of dam, head, system efficiency.
 type of dam, type of catchment area and discharge.

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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

 1.093 mH
 1.182 mH
 1.232 mH
 1.043 mH

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Power Systems
Recovery voltage in CB is equal to

  transient voltage.
  normal frequency 50 Hz rms voltage.
  none of these.
  arcing period voltage.

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Power Systems
Which of the following is not a secondary nuclear fuel

 Pu239.
 None of above.
 U233.
  U235.

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Power Systems
Area under the daily curve divided by 24 gives

 average load
 units generated
 maximum demand
 maximum load

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