Power Systems
Under excited Synchronous phase modifier works as

 shunt capacitor
 shunt reactor
 series capacitor
 any of the above

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Power Systems
A sodium graphite reactors use

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

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Power Systems
Which of the following statements is true? Corona loss increases with

 increase in conductor size and increase in supply frequency
 decrease in conductor size and decrease in supply frequency
 decrease in conductor size and increase in supply frequency
 increase in conductor size and decrease in supply frequency

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