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Power Systems

Power Systems
Range of accelerating factor is

 1.6 to 1.8
 50 to 100
 10.8 to 11.2
 1 to 10

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Power Systems
Which of the following are the fissile materials

  None of these.
 U235 and Th239.
 U238 and Th232.
 U235, U233 and Pu239.

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Power Systems
The capacitance of an overhead transmission line increases with

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

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Power Systems
The charging current of a 400 kV line is more than that of a 220 kV line of the same length?

None of these
 False
 True
 either 1 or 2

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Power Systems
For complete protection of 3-phase system from the short circuit faults minimum number of relays required are

 two
 six
 one
 three

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

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

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