Single Phase Motors When a universal motor is operated on no load, its speed is limited by Supply voltage frequency Weight of the armature Armature reaction Windage and friction Supply voltage frequency Weight of the armature Armature reaction Windage and friction ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a DC series motor is operated on AC supply, it will Have poor efficiency Spark excessively Have poor power factor All of the listed here Have poor efficiency Spark excessively Have poor power factor All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the single phase induction motor are _____ machines. 2-pole 8-pole 4-pole 6-pole 2-pole 8-pole 4-pole 6-pole 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 1120 rpm 1279 rpm 1540 rpm 1449 rpm 1120 rpm 1279 rpm 1540 rpm 1449 rpm 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 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 is nothing else but a single-phase, salient pole synchronous-induction motor It requires no D.C. field excitation for its operation 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 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The main winding and starting winding of a single phase induction motor are connected in _______ across the supply. Parallel Series None of the listed here Series-parallel Parallel Series None of the listed here Series-parallel ANSWER DOWNLOAD EXAMIANS APP
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