Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control
A)drum type controller is used
B)three point starter is used
C)four point starter is used
D)all above can be used

Question

Quizplus · Accepted Answer

Drum type controllers are specifically designed for applications that require frequent starting, stopping, reversing, and speed control, making them suitable for high-power D.C. motors.

Where DC Motor of H