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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
 1
 0.75
 0.5

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Power Systems
If we increase the length of the transmission line, the charging current

 decreases
 remains unaffected
None of these
 increases

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Power Systems
A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

 20 MW
 15 MW
 80 MW
 10 MW

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Power Systems
In Francis turbine runner, the number blades is usually of the order of

 12 - 14.
 3 - 6.
 6 - 8.
  16 - 24.

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Power Systems
For distortion less line which of following relation are true

 R/L = C/G.
 R = O, G = O.
 R/L = G/C.
 None of above.

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Power Systems
On a power system network the load is increasing represents the value of impedance

  increase.
  decrease.
  remains constant.
  none of above.

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