Single Phase Motors Which motor is normally free from mechanical and magnetic vibrations? Hysteresis motor Universal motor Split phase motor Shaded pole motor Hysteresis motor Universal motor Split phase motor Shaded pole motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor start, capacitor run motor has _______ Noisy operation Low efficiency No centrifugal switch Low power factor Noisy operation Low efficiency No centrifugal switch Low power factor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding a reluctance motor is incorrect ? Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor It is nothing else but a single-phase, salient pole synchronous-induction motor It requires no D.C. field excitation for its operation It cannot be reversed, ordinarily Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor It is nothing else but a single-phase, salient pole synchronous-induction motor It requires no D.C. field excitation for its operation It cannot be reversed, ordinarily ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor. Single phase series motor Shaded pole Capacitor run motor Hysteresis motor Single phase series motor Shaded pole Capacitor run motor Hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Burning out of winding is due to short circuited capacitor capacitor value hiving changed None of these open circuiting of capacitor short circuited capacitor capacitor value hiving changed None of these open circuiting of capacitor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 60 to 70% 70 to 80% 5 to 10% 30 to 35% 60 to 70% 70 to 80% 5 to 10% 30 to 35% ANSWER DOWNLOAD EXAMIANS APP