For squirrel cage and slip ring induction motor, cooling methods is efficient in ____________
(a) squirrel cage induction motor
(b) slip ring induction motor
(c) both of the motors
(d) none of the mentioned
I got this question by my college director while I was bunking the class.
Origin of the question is Cooling (Loss Dissipation) topic in portion Rating and Loss Dissipation of Electrical Machines