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Power Systems

Power Systems
India 1st nuclear plant was set up at

  Rana pratap sagar.
  Tarapur.
  Bhaba.
  Kalpakkam.

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Power Systems
Maximum power transfer capability of transmission line can be increased by

All of these
 Parallel transmission lines
 Using bundled conductors
 Using series capacitance

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Power Systems
Which one of the following relays has the capability of anticipating the possible major fault in a transformer?

 Differential relay
 Over current relay
 Buchholz relay
 Over fluxing relay

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Power Systems
For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to

 V.
  1 / V2.
 1 / V.
 V2.

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Power Systems
Load frequency control is achieved by properly matching the individual machines

  generator ratings.
  generated voltages.
  reactive powers.
  turbine inputs.

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Power Systems
Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be

 0.45 pu
 0.15 pu
 0.25 pu
 0.05 pu

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