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Power Systems

Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 3
 4
 6
 5

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Power Systems
Binary vapor cycle are used for

  improving the condenser performance.
  increasing the turbine efficiency.
  improving the plant efficiency.
All of these

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Power Systems
The commercial sources of energy are

 solar, wind, biomass.
 none of above.
  fossile fuels and radioactive substances.
 wood, animal wastes and agricultural wastes.

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° â„§. Find the shunt reactor required for compensating ferranti effect?

 1500 Ω
 2000 Ω
 3000 Ω
 500 Ω

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Power Systems
The insulator thickness on the conductor, in cables depends upon

 reactive power
 voltage
 current
 power factor

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Power Systems
Nuclear fission means

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

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