Single Phase Motors For the same rating, the size of a single phase induction motor is about _______ that of the corresponding 3-phase induction motor. The same as 1.5 times 0.33 times 3 times The same as 1.5 times 0.33 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Capacitor motors _______resistance split phase induction motors. Poor starting torque than Are less costly than Are costlier than Cost about the same as Poor starting torque than Are less costly than Are costlier than Cost about the same as ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when brush axis coincides with the field axis brush axis is at 45° electrical to the field axis None of these brush axis is at 90° electrical to the field axis brush axis coincides with the field axis brush axis is at 45° electrical to the field axis None of these brush axis is at 90° electrical to the field axis ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor used in capacitor start motor is always a _______ capacitor. Mica Electrolyte Ceramic Paper Mica Electrolyte Ceramic Paper ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors has highest starting torque ? Split-phase motor Capacitor-start motor Repulsion motor Shaped pole motor Split-phase motor Capacitor-start motor Repulsion motor Shaped pole motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding a reluctance motor is incorrect ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
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