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Mechanic Electric Vehicle Practice Test: Electric Vehicle Motor and Controller
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Mechanic Electric Vehicle Practice Test: Electric Vehicle Motor and Controller
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25 Questions

1. What are the disadvantages of the 3- phase induction motor?
2. What is the formula for calculating the gradient resistance force?
3. What is an induction motor also known as?
4. Which liquid is more using to cool electric motor?
5. What type of induction motor are widely using in industrial drives?
6. Which method is most extensively used for controlling the speed of the motor?
7. What can motor controllers be used to do?
8. What is the full form VFD?
9. What type of electric motor is an induction motor?
10. What is the reason for the fuses blowing off as soon as the motor is started?
11. What is the use of the regenerative drives in motor controller?
12. What is the full form VFD?
13. What should we do to prevent the motor from overheating?
14. Which device is used in the air cooling system to cool the electric motor?
15. What happens if the magnetic attraction between the stator and the rotor is uneven around the periphery of the motor?
16. What is the full form PWM?
17. What is the formula for calculating the gradient resistance force?
18. What is TEFC in motor cooling system?
19. What is TEFC in motor cooling system?
20. What are the two basic types of controllers?
21. What is the reason for the motor starting and then stopping?
22. Which method is most extensively used for controlling the speed of the motor?
23. What is DSP in motor controller?
24. Which liquid is more using to cool electric motor?
25. What is the full form IMU?