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Total Questions : 103 | Page 11 of 11 pages
Question 101. Braking system consists of _________
  1.    bar magnet
  2.    temporary magnet
  3.    permanent magnet
  4.    super magnet
 Discuss Question
Answer: Option C. -> permanent magnet
Answer: (c).permanent magnet
Question 102. Moving system of the induction type single phase energy meter has _________
  1.    heavy aluminium disc
  2.    light aluminium disc
  3.    medium aluminium disc
  4.    no aluminium disc
 Discuss Question
Answer: Option B. -> light aluminium disc
Answer: (b).light aluminium disc
Question 103. What is the effect of eddy currents in the aluminium disc?
  1.    varies by a factor of twice the disc length
  2.    independent of the disc speed
  3.    varies by a factor of four times the disc size
  4.    proportional to the disc speed
 Discuss Question
Answer: Option D. -> proportional to the disc speed
Answer: (d).proportional to the disc speed

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