How is the circulation of oil improved in tanks with tubes?
(a) it can be improved by using dissipating heat
(b) it can be improved by using more effective air circulation
(c) it can be improved by using more effect power flow
(d) it can be improved by using more effective heads of pressure
The question was asked in class test.
This intriguing question comes from Design of Tank topic in division Design of Transformers of Design of Electrical Machines