Single Phase Motors The motor used on small lathes is usually Universal motor Dc shunt motor 3-phase synchronous motor Single phase capacitor run motor Universal motor Dc shunt motor 3-phase synchronous motor Single phase capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the troubles of single phase induction motors are traceable to the _______ Main winding Rotor bars Shaft bearings Starting switch Main winding Rotor bars Shaft bearings Starting switch ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Capacitor motors _______resistance split phase induction motors. Are less costly than Cost about the same as Are costlier than Poor starting torque than Are less costly than Cost about the same as Are costlier than Poor starting torque than 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 Become unstable Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Run as induction motor Become unstable Draw excessive armature current and may burn out Fall out of synchronism and come to stand still ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when None of these brush axis coincides with the field axis brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis None of these brush axis coincides with the field axis brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The resistance split phase induction motors are the most popular single phase motors because of ______ Their low cost None of the listed here The long starting period Their high starting torque Their low cost None of the listed here The long starting period Their high starting torque ANSWER DOWNLOAD EXAMIANS APP