21. What are the constituents in speed time curve of train?
22. What type electric drive is used in cranes?
23. Which braking is not possible in series motor?
24. Which of the following are electrical braking methods ?
25. Which speed control method preferred for constant torque drive?
26. While operating on variable frequency supplies, the AC motor requires variable voltage in order to
MCQ Multiple Choice Questions and Answers on Electrical Drives
Electrical Drives Question and Answer