Single Phase Motors The speed control of universal motor used for sewing machines is by Centrifugal mechanism Varying the resistance Friction Tapping the field Centrifugal mechanism Varying the resistance Friction Tapping the field ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of split phase induction motor can be reversed by interchanging the connections of supply of ________ None of the listed here Rotor winding Both main and starting winding Either main or starting winding None of the listed here Rotor winding Both main and starting winding Either main or starting winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following single-phase motors has relatively poor starting torque ? Universal motor All single phase motors have zero starting torque Repulsion motor Capacitor motor Universal motor All single phase motors have zero starting torque Repulsion motor Capacitor motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The starting winding of a single phase induction motor has ______ that of main winding. Less poles than More poles than None of the listed here Same number of poles as Less poles than More poles than None of the listed here Same number of poles as ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The main winding and starting winding of a single phase induction motor are connected in _______ across the supply. None of the listed here Series-parallel Series Parallel None of the listed here Series-parallel Series Parallel ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The repulsion start induction run motor is used because of good power factor high efficiency high starting torque minimum cost good power factor high efficiency high starting torque minimum cost ANSWER DOWNLOAD EXAMIANS APP