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Power Systems

Power Systems
Which material is used in controlling chain reaction in a nuclear reactor

 Heavy water.
  Boron.
 Thorium.
 Beryllium.

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Power Systems
Ferranti effect will not occur in which of the following transmission lines

All of these
 long transmission lines
 medium transmission lines
 short transmission lines

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Power Systems
High capacity generators and motors are of

 any of the above
 star connected with grounding network
 delta connected network
 star connected network

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Power Systems
The per unit impedance Z(pu) is given by

 ZΩ* (MVA)b/((KV)²b *100)
 ZΩ* (MVA)b*100/(KV)²b
 ZΩ* (kVA)b/(KV)²b
 ZΩ* (MVA)b/(KV)²b

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Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

  U235.
 Th232.
 Pu239.
 U238.

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Power Systems
The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station?

 720 MW
 72 MW
 30 MW
 50 MW

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