Exam preparation MCQs with answers

Practice Pakistan's most useful MCQs for competitive exams

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Latest MCQs

If a shunt motor is started with its field winding open then?
  • (A)  It will rotate at the same speed as that with its field winding closed
  • (B)  It will rotate at less speed as that with its field winding closed
  • (C)  It will rotate at dangerously high speed
  • (D)  None of these
Dynamic equalizing circuit is used for________________?
  • (A)  equal division of voltage across each thyristor
  • (B)  equal division of current through each thyristor in parallel
  • (C)  equal division of voltage across each thyristor in parallel
  • (D)  equal division of current through each thyristor in series