Single Phase Motors Most of the fractional horsepower motors have either plain or sleeve bearings soft and porous bearings ball or roller bearings hard and annealed bearings plain or sleeve bearings soft and porous bearings ball or roller bearings hard and annealed bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following is most economical method of starting a single phase induction motor? Split phase method Inductance start method Capacitor start method Resistance start method Split phase method Inductance start method Capacitor start method Resistance start method ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Hysteresis motor is particularly useful for high-quality record players and tape-recorders because it revolves synchronously it is not subject to any magnetic or mechanical vibrations 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 revolves synchronously it is not subject to any magnetic or mechanical vibrations 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 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A Reluctance motor Is constant speed 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 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It is not easily reversed It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It is not easily reversed ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following applications would need the smallest size of motor? Sewing machine Table fan Electric clock Domestic mixi Sewing machine Table fan Electric clock Domestic mixi ANSWER DOWNLOAD EXAMIANS APP
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