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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?

 4
 5
 3
 6

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

  decrease.
  none of above.
  increase.
  remains constant.

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Power Systems
Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form?

 Instantaneous and RMS value
 RMS and Instantaneous value
 RMS and RMS value
 any of the above

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Power Systems
Which of the following method is used for changing power factor from leading to lagging

 shunt reactor
 shunt capacitor
 series capacitor
 any of the above

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

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

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Power Systems
In case of failure of prime mover of the generator, which type of relay is used?

 impedance relay
 offset mho relay
 distance relays
 reverse power relay

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