Single Phase Motors If a DC series motor is operated on AC supply, it will All of the listed here Spark excessively Have poor power factor Have poor efficiency All of the listed here Spark excessively Have poor power factor Have poor efficiency 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 cannot be reversed, ordinarily It is nothing else but a single-phase, salient pole synchronous-induction motor It requires no D.C. field excitation for its operation Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor It cannot be reversed, ordinarily It is nothing else but a single-phase, salient pole synchronous-induction motor It requires no D.C. field excitation for its operation ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will Fall out of synchronism and come to stand still Run as induction motor Become unstable Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Run as induction motor Become unstable Draw excessive armature current and may burn out ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The washing machine generally employs ______ motor. Resistance split phase Shaded pole Hysteresis Single phase series motor Resistance split phase Shaded pole Hysteresis Single phase series motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed of a universal motor is generally reduced by using Brakes V-belts Gear trains Chains Brakes V-belts Gear trains Chains ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? It is not easily reversed It requires more maintenance of commutator and other mechanical devices In fractional horse power motors, it has replaced the capacitor motors It makes quite a bit of noise on starting It is not easily reversed It requires more maintenance of commutator and other mechanical devices In fractional horse power motors, it has replaced the capacitor motors It makes quite a bit of noise on starting ANSWER DOWNLOAD EXAMIANS APP
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