Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 1200 rpm 750 rpm None of the listed here 1500 rpm 1200 rpm 750 rpm None of the listed here 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating , the single phase induction motor is _______ that of 3-phase induction motor. The same as Less than None of the listed here More than The same as Less than None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The single phase shaded pole motor has _____ Wound rotor High power factor High starting torque Squirrel cage motor Wound rotor High power factor High starting torque Squirrel cage motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a DC series motor is operated on AC supply, it will Have poor power factor Have poor efficiency Spark excessively All of the listed here Have poor power factor Have poor efficiency Spark excessively All of the listed here 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 A resistance split phase induction motor is used for ______ None of the listed here Very high inertia loads Low inertia loads High inertia loads None of the listed here Very high inertia loads Low inertia loads High inertia loads ANSWER DOWNLOAD EXAMIANS APP