Power Systems
The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs

All of these
 shunt reactor at receiving end
 shunt resistance at receiving end
 shunt capacitor at receiving end

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Power Systems
A sodium graphite reactors use

 a mixture of sodium and graphite as coolant.
  sodium as coolant and graphite as moderator.
 a mixture of sodium and graphite as moderator.
 sodium as moderator and graphite as coolant.

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