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Power Systems

Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

  U235.
 Th232.
 Pu239.
 U238.

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Power Systems
When a transformer is loaded, the secondary terminal voltage gains. That means power factor is

 lagging.
 zero.
  leading.
 unity.

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Power Systems
Which of following generating plants has the minimum operating cost

 Diesel plant.
 Nuclear plant.
 Hydroelectric plant.
 Steam plant.

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Power Systems
The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° â„§. The sending end voltage is 400 kV. The receiving end voltage under no load condition is

 400 kV
 500 kV
 350 kV
 600 kV

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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
 0.5
 1
 0.75

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Power Systems
Which of following power plants normally operage at high speeds

 Hydro electric.
  Thermal.
 Diesel engine.
 Petrol engine.

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