Single Phase Motors The direction of rotation of an hysteresis motor is determined by none of these position of shaded pole with respect to main pole retentivity of the rotor material interchanging the supply leads none of these position of shaded pole with respect to main pole retentivity of the rotor material interchanging the supply leads ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 5 to 10% 60 to 70% 30 to 35% 70 to 80% 5 to 10% 60 to 70% 30 to 35% 70 to 80% ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor. Hysteresis motor Single phase series motor Shaded pole Capacitor run motor Hysteresis motor Single phase series motor Shaded pole Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It is not easily reversed It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It is not easily reversed It makes quite a bit of noise on starting ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following applications always have some load whenever switched on? Fan motors All of the listed here Piston drills Vaccum cleaners Fan motors All of the listed here Piston drills Vaccum cleaners ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which motor is normally free from mechanical and magnetic vibrations? Shaded pole motor Split phase motor Universal motor Hysteresis motor Shaded pole motor Split phase motor Universal motor Hysteresis motor ANSWER DOWNLOAD EXAMIANS APP