Multiple choice technology

WHICH TYPE OF MOTOR IS NEVER STARTED WITHOUT A LOAD ??

  1. DC SHUNT MOTOR

  2. DC SERIES MOTOR

  3. DIFFERENTIALY COMPOUND MOTOR

  4. CUMULATIVELY COMPOUND MOTOR

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DC series motors have a very high no-load speed theoretically approaching infinity due to the flux being proportional to armature current. Without load, the speed becomes dangerously high, potentially damaging the motor. This is why they must never be started without a load.