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Power Systems

Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.75
 0.25
 0.5
 0.4

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Power Systems
Skin effective is more in case of

 communication lines
 power lines
 same in both cases
None of these

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Power Systems
Tarapur nuclear power plant has which type of reactor?

 Pressurized water reactors.
 None of these.
 CANDU type reactors.
 Boiling water type.

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Power Systems
For complete protection of 3-phase system from the short circuit faults minimum number of relays required are

 one
 two
 three
 six

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

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

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Power Systems
Binary vapor cycle are used for

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

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