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Power Systems

Power Systems
Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF?

 800 Ω
 160 Ω
 400 Ω
 200 Ω

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Power Systems
Among the following which is not non conventional energy

  Wind.
  Nuclear.
  Tidal.
  Geothermal.

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Power Systems
In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is

 0.075 pu.
 0.125 pu.
  3.000 pu.
 0.200 pu.

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Power Systems
In a regenerative cycle, feed water is heated by

 all of above.
 heaters.
 exhaust gas.
  drained steam from turbine.

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Power Systems
Bonding is done at the both ends of the cable to reduce the

 sheath loss
 copper loss
 iron loss
None of these

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Power Systems
Mho relays are used for the protection of which of the following lines?

 short transmission lines only
 medium transmission lines only
None of these
 long transmission lines only

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