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Power Systems

Power Systems
Nuclear reactors usually employ

 both of A and B.
 none of above.
 fusion.
  fission.

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Power Systems
Deflectors are provided in

 propeller turbine.
  Pelton wheel.
 Kaplan turbine.
 Francis turbine.

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Power Systems
The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be

 0.30
 0.0030
 0.60
 0.0060

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Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching?

 SF6 CB.
 Oil CB.
  Vacuum CB.
 Air blast CB.

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Power Systems
Which of the following method is/are more reliable?

 Newton Raphson (NR) method
 Fast Decoupled Load Flow (FDLF) method
All of these
 Gauss-Siedel (GS) method

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Power Systems
In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is

  40.5 MVAr.
 45 MVAr.
 61.73 MVAr.
 55.56 MVAr.

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