In Swinburne’s test of determination of efficiency of a dc shunt machine the no load input power supplies
A. armature and shunt field copper losses.
B. iron losses.
C. friction and windage losses.
D. all of the above.
Answer:D
In Swinburne’s test of determination of efficiency of a dc shunt machine the no load input power supplies
A. armature and shunt field copper losses. B. iron losses. C. friction and windage losses. D. all of the above.