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
B)3 to 4 times greater
C)4 to 5 times greater
D)none of the above

Question

Quizplus · Accepted Answer

The cooling time constant is about 2 to 3 times greater than the heating time constant in self-cooled motors because the cooling conditions are significantly worse when the motor is not in motion, leading to slower dissipation of heat.

In Self Cooled Motors the Cooling Time Constant Is About