A. low voltage transformers
B. medium voltage transformers
C. high voltage transformers
D. any of the above
A. One sided axial ventilation
B. Two sided axial ventilation
C. Multiple inlet system
D. All of the above
A. Closed windings
B. Open windings
C. Either of the above
D. None of the above
A. Equivalent current method
B. Equivalent power method
C. Equivalent torque method
D. Method of average losses
A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s
A. sometimes 2-layer type
B. never 2-layer type
C. always 2-layer type
D. none of the above
A. The current in the slot conductors is uniformly distributed over their cross-section
B. The leakage path is straight across the slot and around the iron at the bottom
C. The permanence of air paths is only considered. The reluctance of iron paths is assumed as zero
D. All of the above