D.C. Motors MCQ Questions & Answers | Electrical Engineering Page-9 section-1

41.
Which D.C. motor will be preferred for machine tools?

A. Series motor

B. Shunt motor

C. Cumulative compound motor

D. Differential compound motor

A. Proportional to the armature current

B. Proportional to the square of the armature current

C. Proportional to field current

D. Inversely proportional to the armature current

A. Zero torque braking

B. Smallest torque braking

C. Highest torque braking

D. None of the above

A. More than the normal speed

B. Loss than the normal speed

C. Normal speed

D. Zero

A. D.C. shunt motor

B. D.C. series motor

C. Universal motor

D. Synchronous motor