Which type of work is NOT performed for maintenance of a transformer?
A. Solving the designing errors
B. Leak repair / seal replacement
C. Corrosion and rust removal, welding work and painting work
D. Taking measures for extending service life
Answer:A
Which type of work is NOT performed for maintenance of a transformer?
A. Solving the designing errors B. Leak repair / seal replacement C. Corrosion and rust removal, welding work and painting work D. Taking measures for extending service life