Question

DC series motors are used where the high ________ torque is required.

(a) Maximum

(b) Minimum

(c) Starting

(d) Stalling

The question was asked during an interview.

The origin of the question is Dynamic Braking of DC Series Motors in section Braking of DC Motors & Induction Motors of Electric Drives

Answer 1

Right option is (c) Starting

To elaborate: DC series motors are used where the high starting torque is required. At starting the torque produced by DC series motor is very high. To start a motor torque should be greater than load torque.