Induction Motor Speed Control MCQ

Test your knowledge with important Induction Motor Speed Control MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Induction Motor Speed Control MCQs at Bissoy

• What is the speed of a 3-phase induction motor if has a synchronous speed of 300 rpm and has percentage slip of 0.2% ?
  ক

  200 rpm

  খ

  380 rpm

  গ

  280 rpm

  ঘ

  294 rpm
• What is the frequency of a 3-phase induction motor if has 12 poles and its synchronous speed is 620 rpm?
  ক

  60 Hz

  খ

  62 Hz

  গ

  80 Hz

  ঘ

  58 Hz
• What is the speed of a 3-phase induction motor if has a synchronous speed of 400 rpm and has percentage slip of 5% ?
  ক

  700 rpm

  খ

  380 rpm

  গ

  480 rpm

  ঘ

  500 rpm
• What is the synchronous speed of a 3-phase induction motor if has 9 poles and its frequency is 50 Hz?
  ক

  700 rpm

  খ

  600 rpm

  গ

  650 rpm

  ঘ

  666.667 rpm
• What is the synchronous speed of a 3-phase induction motor if has 8 poles and its frequency is 40 Hz?
  ক

  700 rpm

  খ

  600 rpm

  গ

  650 rpm

  ঘ

  500 rpm
• What does PAM stands for, in context to speed control method of induction motor?
  ক

  Pole amplitude maintenance

  খ

  Passive amplitude modulation

  গ

  Pole amplification modulation

  ঘ

  Pole amplitude modulation
• Which speed control method can only be applied to squirrel cage type induction motors?
  ক

  Multiple Stator winding method

  খ

  Rotor rheostat speed control method

  গ

  Pole amplitude modulation method

  ঘ

  Frequency control method
• What happens to the synchronous speed of the induction motor if the frequency of the supply increases?
  ক

  It remains same

  খ

  It increases

  গ

  It decreases

  ঘ

  It does not work
• What happens to the synchronous speed of the induction motor if the number of stator poles increases?
  ক

  It remains same

  খ

  It increases

  গ

  It decreases

  ঘ

  It does not work
• Rotor rheostat speed control method can be used for controlling the speed of squirrel cage motors.
  ক

  True

  খ

  False
• Speed of an induction motor is independent of the number of stator poles.
  ক

  True

  খ

  False
• Speed of an induction motor is dependent on the frequency of the input supply.
  ক

  True

  খ

  False
• What is the frequency of a 3-phase induction motor if has 10 poles and its synchronous speed is 720 rpm?
  ক

  60 Hz

  খ

  50 Hz

  গ

  80 Hz

  ঘ

  40 Hz
• What is the speed of a 3-phase induction motor if has a synchronous speed of 500 rpm and has percentage slip of 4% ?
  ক

  700 rpm

  খ

  600 rpm

  গ

  480 rpm

  ঘ

  500 rpm
• What is the synchronous speed of a 3-phase induction motor if has 12 poles and its frequency is 60 Hz?
  ক

  700 rpm

  খ

  600 rpm

  গ

  650 rpm

  ঘ

  500 rpm