Question

What is the special feature of single phase induction motor?

(a) high starting torque

(b) low starting torque

(c) average starting torque

(d) zero starting torque

I have been asked this question during an interview.

Question is from Types of Motor in section Design of Single Phase Induction Motor of Design of Electrical Machines

Answer 1

Right option is (d) zero starting torque

Easy explanation: The single phase induction motor has no inherent starting torque. Thus special means should be used to make it self starting.