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Power Systems

Power Systems
Making current is a------------ value?

 average
 any of the above
 RMS
 peak value

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Power Systems
When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding?

  Resistance.
  Peterson coil.
  Solid.
  Reactance.

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Power Systems
A loss less transmission line has a length of 600 km, find the phase shift of voltage signal?

 90°
 42°
 36°
 45°

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Power Systems
Pipes carrying steam are generally of

 cast iron.
  steel.
 aluminium.
 cobalt.

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Power Systems
The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds?

 855.26 Ω
 0.844 Ω
 265.25 Ω
 625.35 Ω

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Power Systems
A power station plant load factor is defined as the ratio of

 average load to the peak load
 minimum load to peak load
 the energy generated to that of maximum energy that could have been generated
 minimum load to average load

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