Single Phase Motors A 4 pole, 50 Hz single phase induction motor has a slip of 5% . The speed of the motor will be None of the listed here 1425 rpm 1500 rpm 1200 rpm None of the listed here 1425 rpm 1500 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a single phase induction motor runs slower than normal, the most likely defect is open-circuit in the winding short-circuit in the winding worn bearings None of these open-circuit in the winding short-circuit in the winding worn bearings None of these ANSWER DOWNLOAD EXAMIANS APP
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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating , the single phase induction motor is _______ that of 3-phase induction motor. More than The same as None of the listed here Less than More than The same as None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 70 to 80 80 to 90 30 to 40 100 70 to 80 80 to 90 30 to 40 100 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 It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It is not easily reversed It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors ANSWER DOWNLOAD EXAMIANS APP
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