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Power Systems

Power Systems
Range of accelerating factor is

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

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Power Systems
Rating of fuse wire is expressed in

  Watts.
  Ampere.
 ÃŽÂ©.
  Mho.

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Power Systems
Transmission line parameters of the short transmission line are

 1,0,Y,1
 1,Z,0,1
 1,Z,Y,1
 Z,0,Y,1

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Power Systems
Recovery voltage in CB is equal to

  transient voltage.
  normal frequency 50 Hz rms voltage.
  none of these.
  arcing period voltage.

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

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

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Power Systems
A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is

 0.725∠ 80°
 0.325∠ -100°
 0.433∠ 80°
 0.371∠ -100°

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