

MCQOPTIONS
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1. |
Generally, Crawling in squirrel cage induction motors is the tendency to run stably at speeds as low as |
A. | One-third of their synchronous speed |
B. | One-fifth of their synchronous speed |
C. | One-seventh of their synchronous speed |
D. | One-ninth of their synchronous speed |
Answer» D. One-ninth of their synchronous speed | |