In self cooled motors the cooling time constant is about ______ than the heating

MCQ Practice

In self cooled motors the cooling time constant is about ______ than the heating time constant because cooling conditions are worse at standstill.

Subject: Electrical EngineeringTopic: Electrical Machine Design

2 to 3 times greater

3 to 4 times greater

4 to 5 times greater

none of the above

Correct Answer: A