Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
For three-phase induction motors which of the following is the least efficient method of speed control ? | |
A. | Cascade control [Wrong Answer] |
B. | Pole changing [Wrong Answer] |
C. | Rheostatic control [Correct Answer] |
D. | Combination of cascade and pole changing [Wrong Answer] |