Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 70 to 80% 30 to 35% 5 to 10% 60 to 70% 70 to 80% 30 to 35% 5 to 10% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors has highest starting torque ? Capacitor-start motor Split-phase motor Shaped pole motor Repulsion motor Capacitor-start motor Split-phase motor Shaped pole motor Repulsion motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will Fall out of synchronism and come to stand still Run as induction motor Draw excessive armature current and may burn out Become unstable Fall out of synchronism and come to stand still Run as induction motor Draw excessive armature current and may burn out Become unstable ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A single phase induction motor employs ______ rotor. Either squirrel cage or wound Wound Squirrel cage None of the listed here Either squirrel cage or wound Wound Squirrel cage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors is generally used for elctric shavers? Shaded pole motor Hysteresis motor Reluctance motor Universal motor Shaded pole motor Hysteresis motor Reluctance motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is 1279 rpm 1449 rpm 1120 rpm 1540 rpm 1279 rpm 1449 rpm 1120 rpm 1540 rpm ANSWER DOWNLOAD EXAMIANS APP