Power Electronics MCQs with answers Page - 19

Here, you will find a collection of MCQ questions on Power Electronics. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 833.24K Points
Coach

Q. Applications of cycloconverters include

  • (A) speed control of ac drives
  • (B) induction heating
  • (C) static VAr compensation
  • (D) all of the mentioned

A

Admin • 833.24K Points
Coach

Q. The single phase mid-point type cycloconverter uses __________ number of SCRs.

  • (A) 4
  • (B) 8
  • (C) 6
  • (D) none of the mentioned

A

Admin • 833.24K Points
Coach

Q. The single phase bridge type cycloconverter uses __________ number of SCRs.

  • (A) 4
  • (B) 8
  • (C) 6
  • (D) none of the mentioned

A

Admin • 833.24K Points
Coach

Q. The principle of three phase cycloconverter is to

  • (A) add and remove number of SCRs
  • (B) vary progressively the firing angle of the devices
  • (C) keep the firing angle as 0° for all the devices
  • (D) none of the mentioned

A

Admin • 833.24K Points
Coach

Q. In three phase cycloconverters, the reduction factor is given by

  • (A) input frequency/output frequency
  • (B) (input frequency/output frequency) -1
  • (C) (input frequency/output frequency) -1/2
  • (D) (input frequency/output frequency) 1/

A

Admin • 833.24K Points
Coach

Q. In a three phase half-wave cycloconverter ___________

  • (A) both inverting and converting action takes place
  • (B) only inversion action takes place
  • (C) only converting action takes place
  • (D) none of the mentioned

A

Admin • 833.24K Points
Coach

Q. In the ___________ type of chopper, two stage conversions takes place.

  • (A) AC-DC
  • (B) AC link
  • (C) DC link
  • (D) None of the mentioned

A

Admin • 833.24K Points
Coach

Q. Choppers converter

  • (A) AC to DC
  • (B) DC to AC
  • (C) DC to DC
  • (D) AC to AC

A

Admin • 833.24K Points
Coach

Q. A chopper may be thought as a

  • (A) Inverter with DC input
  • (B) DC equivalent of an AC transformer
  • (C) Diode rectifier
  • (D) DC equivalent of an induction motor

A

Admin • 833.24K Points
Coach

Q. In a circulating-current type of dual converter, the nature of the voltage across the reactor is:

  • (A) Alternating
  • (B) Pulsating
  • (C) Direct
  • (D) Triangular

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.