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Power Systems

Power Systems
A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be

  35 kVA.
 70 kVA.
 49 kVA.
  89.22 kVA.

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Power Systems
Ferranti effect will not occur in which of the following transmission lines

 long transmission lines
 short transmission lines
All of these
 medium transmission lines

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is

  5100 MVA.
  5000 MVA.
 5200 MVA.
 5500 MVA.

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Power Systems
The capacitance of an overhead transmission line increases with

 both 1 and 2
 increase in mutual geometrical mean distance
 neither 1 nor 2
 increase in height of conductors above ground

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

 inductance
 capacitance
 both 1 and 2
 conductance

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Power Systems
Objectives of power system is/are

 Cost of electrical energy per KWh is to be minimum
 nether 1 nor 2
 Rated voltage and frequency has to be supplied to the consumers
 both 1 and 2

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