Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It is extremely sensitive to fluctuations in supply voltage It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It is extremely sensitive to fluctuations in supply voltage ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Capacitor motors _______resistance split phase induction motors. Are less costly than Cost about the same as Are costlier than Poor starting torque than Are less costly than Cost about the same as Are costlier than Poor starting torque than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the fractional horsepower motors have either ball or roller bearings soft and porous bearings plain or sleeve bearings hard and annealed bearings ball or roller bearings soft and porous bearings plain or sleeve bearings hard and annealed bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The motor used on small lathes is usually 3-phase synchronous motor Dc shunt motor Single phase capacitor run motor Universal motor 3-phase synchronous motor Dc shunt motor Single phase capacitor run motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The purpose of starting winding in a single phase induction motor is to _____ Reduce losses Limit temperature rise of the machine Produce rotating flux in conjunction with main winding None of the listed here Reduce losses Limit temperature rise of the machine Produce rotating flux in conjunction with main winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding a reluctance motor is incorrect ? 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 requires no D.C. field excitation for its operation It is nothing else but a single-phase, salient pole synchronous-induction motor 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 requires no D.C. field excitation for its operation It is nothing else but a single-phase, salient pole synchronous-induction motor ANSWER DOWNLOAD EXAMIANS APP
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