Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It accelerates from rest to full-speed almost instantaneously Its high starting torque is due to its high rotor hysteresis loss It is extremely quiet in operation It is extremely sensitive to fluctuations in supply voltage It accelerates from rest to full-speed almost instantaneously Its high starting torque is due to its high rotor hysteresis loss It is extremely quiet in operation It is extremely sensitive to fluctuations in supply voltage ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Varying the resistance Centrifugal mechanism Tapping the field Friction Varying the resistance Centrifugal mechanism Tapping the field Friction ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which motor will make least noise? Hysteresis motor Capacitor motor Shaded pole motor Universal motor Hysteresis motor Capacitor motor Shaded pole motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A scharge motor can run on Zero slip All of the listed here Positive slip Negative slip Zero slip All of the listed here Positive slip Negative slip ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding a reluctance motor is incorrect ? It is nothing else but a single-phase, salient pole synchronous-induction motor Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor It requires no D.C. field excitation for its operation It cannot be reversed, ordinarily It is nothing else but a single-phase, salient pole synchronous-induction motor Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor It requires no D.C. field excitation for its operation It cannot be reversed, ordinarily ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 70 to 80% 5 to 10% 30 to 35% 60 to 70% 70 to 80% 5 to 10% 30 to 35% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
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