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 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 Fall out of synchronism and come to stand still ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors has highest starting torque ? Shaped pole motor Capacitor-start motor Split-phase motor Repulsion motor Shaped pole motor Capacitor-start motor Split-phase motor Repulsion motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The resistance split phase induction motor has ______ starting torque . High Very low Moderate None of the listed here High Very low Moderate None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motor will give the highest starting torque ? C. shunt motor Universal motor Repulsion start and induction run motor Schrage motor C. shunt motor Universal motor Repulsion start and induction run motor Schrage motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Varying the resistance Tapping the field Friction Centrifugal mechanism Varying the resistance Tapping the field Friction Centrifugal mechanism ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the fractional horsepower motors have either hard and annealed bearings plain or sleeve bearings ball or roller bearings soft and porous bearings hard and annealed bearings plain or sleeve bearings ball or roller bearings soft and porous bearings ANSWER DOWNLOAD EXAMIANS APP
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