Single Phase Motors For ceiling fans generally the single phase motor used is Capacitor start type Split phase type Permanent capacitor type Capacitor start and run type Capacitor start type Split phase type Permanent capacitor type Capacitor start and run type ANSWER DOWNLOAD EXAMIANS APP
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. 0.33 times The same as 3 times 1.5 times 0.33 times The same as 3 times 1.5 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding single-phase induction motoris correct ? It requires only one winding It is self-starting It is not self-starting It can rotate in one direction only It requires only one winding It is self-starting It is not self-starting It can rotate in one direction only ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is 1279 rpm 1120 rpm 1449 rpm 1540 rpm 1279 rpm 1120 rpm 1449 rpm 1540 rpm 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 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 Fall out of synchronism and come to stand still 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
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