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 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 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 1449 rpm 1120 rpm 1540 rpm 1279 rpm 1449 rpm 1120 rpm 1540 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a split phase induction motor, the two stator windings Have equal R/XL ratio Draw only the in phase currents Draw equal current Are mutually displaced by 90° electrical Have equal R/XL ratio Draw only the in phase currents Draw equal current Are mutually displaced by 90° electrical ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? It requires more maintenance of commutator and other mechanical devices In fractional horse power motors, it has replaced the capacitor motors It is not easily reversed It makes quite a bit of noise on starting It requires more maintenance of commutator and other mechanical devices In fractional horse power motors, it has replaced the capacitor motors It is not easily reversed It makes quite a bit of noise on starting ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If starting winding of a single-phase induction motor is left in the circuit, it will run slower spark at light loads run faster draw excessive current and overheat run slower spark at light loads run faster draw excessive current and overheat ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The resistance split phase induction motors are the most popular single phase motors because of ______ The long starting period Their high starting torque Their low cost None of the listed here The long starting period Their high starting torque Their low cost None of the listed here ANSWER DOWNLOAD EXAMIANS APP