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Power Systems

Power Systems
Range of accelerating factor is

 50 to 100
 1 to 10
 1.6 to 1.8
 10.8 to 11.2

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Power Systems
The rate of rise of restricting voltage depends upon the

 Type of CB.
 Inductance of the system.
 Capacitance of the system.
  Inductance and capacitance of the system.

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Power Systems
For accurate load flow calculations on large power systems, the best method is

All of these
 G-S method
 Decoupled method
 N-R method

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Power Systems
A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is

 35.45
 23.9
 31.7
 38.6

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Power Systems
Where air circuit breakers are used?

  Up to 12 kV.
  Up to 33 kV.
  Up to 11 kV.
  Up to 66 kV.

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Power Systems
Nuclear reactors usually employ

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

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