Electrical Machines MCQ Questions and Answers Quiz

21. The harmonics in rotating machines are generated due to

  1. Non-sinusoidal field form
  2. Slotting of the stator core
  3. Both (A) and (B) above
  4. None of the above

22. The effect of harmonics in rotating machines can be minimized by

  1. Use of longer air gap
  2. Skewing the poles
  3. Use of distributed winding
  4. all of the above

23. In dc machines the number of poles is generally decided by

  1. Frequency of flux reversals
  2. Weight of iron parts
  3. Weight of copper
  4. all of the above

24. In dc machines by increasing the number of poles, all of the following reduce except:

  1. Weight of copper
  2. Weight of iron parts
  3. Frequency of flux reversals
  4. Overall size of the machine

MCQ Multiple Choice Questions and Answers on Electrical Machines

Electrical Machines Trivia Questions and Answers PDF

Electrical Machines Question and Answer

Spreading Knowledge Across the World

USA - United States of America  Canada  United Kingdom  Australia  New Zealand  South America  Brazil  Portugal  Netherland  South Africa  Ethiopia  Zambia  Singapore  Malaysia  India  China  UAE - Saudi Arabia  Qatar  Oman  Kuwait  Bahrain  Dubai  Israil  England  Scotland  Norway  Ireland  Denmark  France  Spain  Poland  and many more....