Single Phase Motors The purpose of starting winding in a single phase induction motor is to _____ Reduce losses None of the listed here Limit temperature rise of the machine Produce rotating flux in conjunction with main winding Reduce losses None of the listed here Limit temperature rise of the machine Produce rotating flux in conjunction with main winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Hysteresis motor is particularly useful for high-quality record players and tape-recorders because it develops hysteresis torque which is extremely steady both in amplitude and phase it is not subject to any magnetic or mechanical vibrations it revolves synchronously it can be easily manufactured in extremely small sizes of up to 1 W output it develops hysteresis torque which is extremely steady both in amplitude and phase it is not subject to any magnetic or mechanical vibrations it revolves synchronously it can be easily manufactured in extremely small sizes of up to 1 W output ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a repulsion motor, brushes are connected To starting winding Together by a jumper wire To the external supply To stator winding To starting winding Together by a jumper wire To the external supply To stator winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors When a universal motor is operated on no load, its speed is limited by Supply voltage frequency Armature reaction Windage and friction Weight of the armature Supply voltage frequency Armature reaction Windage and friction Weight of the armature ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A Reluctance motor Is self starting Need no dc excitation All of the listed here Is constant speed motor Is self starting Need no dc excitation All of the listed here Is constant speed motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? It is not easily reversed In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting It is not easily reversed In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS