The d.c. series motor should always be started with load because
A. At no load, it will rotate at dangerously high speed.
B. It will fail to start.
C. It will not develop high starting torque.
D. All are true.
Answer:A
The d.c. series motor should always be started with load because
A. At no load, it will rotate at dangerously high speed. B. It will fail to start. C. It will not develop high starting torque. D. All are true.