Single Phase Motors Which of the following motors has highest starting torque ? Split-phase motor Repulsion motor Capacitor-start motor Shaped pole motor Split-phase motor Repulsion motor Capacitor-start motor Shaped pole 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 Run as induction motor Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Become unstable Run as induction motor Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Become unstable ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the single phase induction motor are _____ machines. 6-pole 4-pole 2-pole 8-pole 6-pole 4-pole 2-pole 8-pole ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Burning out of winding is due to None of these capacitor value hiving changed open circuiting of capacitor short circuited capacitor None of these capacitor value hiving changed open circuiting of capacitor short circuited capacitor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ None of the listed here 750 rpm 1500 rpm 1200 rpm None of the listed here 750 rpm 1500 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 100 80 to 90 30 to 40 70 to 80 100 80 to 90 30 to 40 70 to 80 ANSWER DOWNLOAD EXAMIANS APP