Hybrid Book - Chapter 6
8 Questions
| Total Attempts: 42
Questions and Answers
- 1.A PM electric machine contains all of the following except a ___.
- A.
Rotor
- B.
Stator
- C.
Magnet
- D.
Commutator
- 2.In a PM/BLDC machine, an increase in stator current causes a(n) ___.
- A.
Increase in torque
- B.
Decrease in torque
- C.
Increase in rotor speed
- D.
Decrease in rotor speed
- 3.A V-shaped magnet arrangement in the rotor decreases the ___.
- A.
Maximum rotor speed
- B.
Minimum rotor speed
- C.
Rotor diameter
- D.
Back EMF
- 4.A PM/BLDC operates with a(n) ___ stator to trigger timing control.
- A.
Synchronous
- B.
Asynchronous
- C.
Six-step
- D.
Axial
- 5.Field weakening of a PM electric machine is necessary to overcome the back EMF created by the ___.
- A.
Stator magnetic field
- B.
Stator speed
- C.
Magnets
- D.
Flux vector angle
- 6.One method to control the regenerative braking power generated by a PM electric machine is to ___.
- A.
Control the lag angle
- B.
Control the lead angle
- C.
Increase the stator field speed
- D.
Decrease the stator field speed
- 7.Another method to control the regenerative braking power generated by a PM electric machine is to ___.
- A.
Increase the rotor speed
- B.
Increase the field-weakening current
- C.
Increase the lead vector
- D.
Eliminate power-inverter signaling
- 8.The Toyota Prius PM electric machine controls ___ magnets poles on its rotor.
- A.
4
- B.
8
- C.
16
- D.
24
This quiz is inspired by American Enterprise Institute scholar Charles Murray's new book, "Coming Apart: The State of White America, 1960-2010," which explores the unprecedented, class-based cultural gap in America....
Questions: 9 | Attempts: 183489 | Last updated: Aug 17, 2018
-
Sample QuestionWho wrote the Coming Apart: The State of White America, 1960-2010?
Books speak a lot about the writer and the reader. One may pick up a book simply because they want to live in a world that exists in the hardcover or want to learn something new. Do you know which type of book someone like you...
Questions: 10 | Attempts: 127477 | Last updated: Sep 6, 2021
-
Sample QuestionWhat kind of movies would you like to watch?
Have you read the amazing book ACOTAR- "A Court of Thorns and Roses"? It is written by New York Times Bestselling Author Sarah J. Maas. This book gives an essentially revised look at the famed fairy tale...
Questions: 10 | Attempts: 76247 | Last updated: Sep 20, 2021
-
Sample QuestionWhat gender do you identify as?
Back to top