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Power Systems

Power Systems
Attenuation occurs due to

 inductance
 conductance
 both 1 and 3
 resistance

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Power Systems
At slack bus, which one of the following combinations of variables is not specified?

 V and δ
 P and V
 P and Q
 Q and V

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Power Systems
A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator?

 1000
 0.001
 10
 0.1

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Power Systems
Area under the daily curve divided by 24 gives

 units generated
 maximum demand
 average load
 maximum load

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Power Systems
Mho relay is used for protection of

  long lines.
  short lines.
  none of these.
  medium lines.

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

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

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