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Power Systems

Power Systems
Reflector of a nuclear reactor are made up of

 cast iron.
 steel.
  boron.
  beryllium.

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Power Systems
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 164 × 164
 162 × 162
 165 × 165
 163 × 163

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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?

 265.25 Ω
 0.844 Ω
 625.35 Ω
 855.26 Ω

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Power Systems
If we increase the spacing between the phase conductors, the value of line inductance

 decrease
 remains unaffected
 increase
None of these

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Power Systems
The amount of ash content in Indian coal

  60 %.
  45 %.
 20 %.
 35 %.

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Power Systems
Which of the following power planets is the least reliable

 Solar.
 Geothermal.
  Wind.
 Tidal.

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