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Power Systems

Power Systems
Find the number of strands of ACSR conductor for 4 layer transmission line?

 29
 7
 1
 37

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Power Systems
In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is

 55.56 MVAr.
  40.5 MVAr.
 61.73 MVAr.
 45 MVAr.

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

 55 kA.
 50 kA.
 45 kA.
  35 kA.

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Power Systems
Phase shift occurs due to which of the following components?

 inductance
 both 1 and 2
 conductance
 capacitance

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Power Systems
Mho relay is used for the protection of

 medium length lines.
  long transmission lines.
 no length criterion.
 short length lines.

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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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