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Power Systems

Power Systems
Breaking current is a ------------------ value?

 average
 any of the above
 maximum
 RMS

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Power Systems
Which of the following transmission line is most practically used in load flow analysis?

 Nominal ∏
 nether 1 nor 2
 either 1 or 2
 Nominal T

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Power Systems
In which of the following transmission lines capacitance effect is negligible?

 medium transmission lines
 both 1 and 3
 shoart transmission lines
 long transmission lines

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Power Systems
A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is

 33 Ω
 40 Ω
 28 Ω
 52 Ω

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Power Systems
A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp?

 0.4 mm.
 2 mm.
 4 mm.
  0.2 mm.

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Power Systems
Specified quantities of load bus are

 V and δ
 Q and V
 P and δ
 P and Q

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