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In self cooled motors the cooling time constant is about ____ than the heating time constant because cooling conditions, are worse at standstill. | |
A. | 2 to 3 times greater [Correct Answer] |
B. | 3 to 4 times greater [Wrong Answer] |
C. | 4 to 5 times greater [Wrong Answer] |
D. | none of the above [Wrong Answer] |