The forced oil and air circulation method is usual one for transformers of capacities
A. upto 5 MVA
B. upto 10 MVA
C. upto 20 MVA
D. 30 MVA upwards
Answer:D
The forced oil and air circulation method is usual one for transformers of capacities
A. upto 5 MVA B. upto 10 MVA C. upto 20 MVA D. 30 MVA upwards