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Power Systems

Power Systems
Proximity effect is more in case of

 over head lines
 power cables
None of these
 same in both cases

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Power Systems
For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is

 2.0 kV / μs.
 12.2 kV / μs.
  9.01 kV / μs.
 10.01 kV / μs.

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Power Systems
Stability of a transmission line can be increased by

 series capacitor
 shunt reactor
 shunt capacitor
 both 1 and 2

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Power Systems
Normally Z bus matrix is a

 unit matrix
 full matrix
 sparse matrix
 null matrix

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Power Systems
A loss less transmission line has a length of 600 km, find the phase shift of voltage signal?

 36°
 90°
 42°
 45°

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Power Systems
The function of reflector is to

  bounce back most of the neutrons that escape from the fuel core.
 reduce the speed of the neutrons.
 stop the chain reaction.
 none of above.

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