Single Phase Motors Reluctance motors are Singly excited Either of the listed None of the listed here Doubly excited Singly excited Either of the listed None of the listed here Doubly excited ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following application make use of a universal motor? Floor polishing machine Lathe machines Oil expeller Portable tools Floor polishing machine Lathe machines Oil expeller Portable tools 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 Become unstable Fall out of synchronism and come to stand still Run as induction motor Draw excessive armature current and may burn out Become unstable Fall out of synchronism and come to stand still Run as induction motor Draw excessive armature current and may burn out ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor start, capacitor run motor has _______ Low power factor No centrifugal switch Noisy operation Low efficiency Low power factor No centrifugal switch Noisy operation Low efficiency 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
Single Phase Motors The starting winding of a single phase induction motor has ______ that of main winding. None of the listed here Same number of poles as Less poles than More poles than None of the listed here Same number of poles as Less poles than More poles than ANSWER DOWNLOAD EXAMIANS APP