Pakistan's best MCQs practice hub — FPSC · PPSC · CSS · NTS · Other Exams
Login

Buchholz relay is a gas-actuated protective relay used exclusively for:

ASynchronous motors
BHigh-voltage alternators
CAir-cooled transformers
DOil-immersed transformers

Explanation

Buchholz relay detects incipient internal faults in oil-immersed transformers by trapping gases evolved when transformer oil decomposes under fault heat.

Submitted by: mcqstutor Team More Electrical Engineering MCQs →

No Comments

Leave a comment

Your email address will not be published. Required fields are marked *