engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrician and Wireman Electrical Machines Transformers
Consider following cooling methods for a transformer:
(a) Oil Natural Air forces
(b) Air Natural
(c) Oil forced Water forced
(d) Air forced
Which of them is used for dry type transformers?
1
(a), (c) and (d)
2
(a) and (c)
3
(a), (b), and (d)
4
(b) and (d)