Category: Electrical Machine Design

A. Traction
B. Drives for process industry
C. Battery driven vehicles
D. Automatic control
E. All of the above

A. distribution transformers
B. power transformers
C. shell type transformers
D. none of the above

A. Mild steel
B. Copper
C. Aluminium
D. Cast-iron

A. Thermometer method
B. Resistance method
C. Embedded temperature detector method
D. Any of the above

A. Electrical considerations
B. Mechanical considerations
C. Thermal considerations
D. All of the above

A. a.c. supply
B. d.c. supply
C. either a.c. or d.c. supply
D. none of the above

A. Copper
B. Aluminium
C. Steel
D. Cast-iron

A. minimum
B. maximum
C. nil
D. none of the above

A. upto 5 MVA
B. upto 10 MVA
C. upto 20 MVA
D. 30 MVA upwards

A. Increase in length of air gap at pole tips
B. Increasing reluctance of pole tips
C. Compensating windings
D. Interpoles
E. All of the above