Single Phase Motors The direction of rotation of universal motor can be reversed the by reversing the flow of current through Field winding Either armature winding or field winding None of these Armature winding Field winding Either armature winding or field winding None of these Armature winding 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 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 It is nothing else but a single-phase, salient pole synchronous-induction motor It requires no D.C. field excitation for its operation ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a particular application needs high speed and high starting torque, then which of the following motor will bepreferred ? Shaded pole type motor Capacitor start motor Capacitor start and run motor Universal motor Shaded pole type motor Capacitor start motor Capacitor start and run motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A scharge motor can run on All of the listed here Negative slip Positive slip Zero slip All of the listed here Negative slip Positive slip Zero slip ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following is most economical method of starting a single phase induction motor? Split phase method Resistance start method Inductance start method Capacitor start method Split phase method Resistance start method Inductance start method Capacitor start method 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 Fall out of synchronism and come to stand still Become unstable Draw excessive armature current and may burn out Run as induction motor Fall out of synchronism and come to stand still Become unstable Draw excessive armature current and may burn out Run as induction motor ANSWER DOWNLOAD EXAMIANS APP
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