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Power Systems

Power Systems
For symmetrical network, the neutral current is

 maximum
 zero
 any of the above
 infinity

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Power Systems
Reflector of a nuclear reactor are made up of

  boron.
  beryllium.
 steel.
 cast iron.

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Power Systems
The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be

 5.5 MW
 6.5 MW
 4.5 MW
 8.5 MW

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Power Systems
Bundled conductors in EHV transmission lines

 increase inductance
 increase capacitance
 decrease inducatance
 decrease capacitance

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Power Systems
The insulation of modern EHV is designed based on

  switching voltage.
 lightning voltage.
 RI.
 corona.

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Power Systems
The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor

 immersed in water pool.
  encased by thick concrete wall.
 isolated from outside word with strong magnetic field.
 encased thick metal wall.

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