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Power Systems

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

 average
 peak value
 RMS
 any of the above

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Power Systems
In triangular configuration, inductance and capacitance values are ------ and ------ respectively

 higher, higher
 higher, less
 less, less
 less, higher

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

 Q and V
 P and V
 P and Q
 V and δ

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Power Systems
Inductance of transmission line will decrease when

 GMD decrease and GMR increase
 both GMD and GMR increase
 GMD increase and GMR decrease
 both GMD and GMR decrease

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Power Systems
The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be

 420 Ω
 840 Ω
 400 Ω
 210 Ω

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Power Systems
A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is

 4.65 Ω / phase.
 6.06 Ω / phase.
 2.26 Ω / phase.
  8.06 Ω / phase.

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