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Power Systems

Power Systems
For symmetrical network, the neutral current is

 any of the above
 zero
 maximum
 infinity

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Power Systems
The term self GMD is used to calculate

 both 1 and 2
 resistance
 inductance
 capacitance

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Power Systems
A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt?

 2.63 msec
 4.68 msec
 9.68
 1.47 msec

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Power Systems
Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

 delta-star
 star-delta
 delta-delta
 star-star

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Power Systems
The total number of strands in a ACSR conductor are 7, then find the layer number?

 5
 7
 2
 3

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Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

 U238.
 Th232.
  U235.
 Pu239.

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