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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?

 0.75
 1
 0.5
 0.25

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Power Systems
Power transmission lines are transposed to reduce

 ferranti effect
 skin effect
 radio interference
 proximity effect

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Power Systems
Most commonly used material for insulator is

 glass
All of these
 porcelain
 mica

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Power Systems
Corona loss is ----------------- on hilly areas than as plain areas.

None of these
 remain same
 more
 less

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Power Systems
The insulation of modern EHV is designed based on

 corona.
 lightning voltage.
  switching voltage.
 RI.

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Power Systems
A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively?

 0.733 and 0.65
 0.65 and 0.55
 0.733 and 0.55
 0.55 and 0.733

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