Electrical Machines The current drawn by a DC motor at the time of starting is Very high. Very low. Zero. Normal. Very high. Very low. Zero. Normal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Synchronous motors. Shaded pole IM. Split phase IM. Cage induction motor. Synchronous motors. Shaded pole IM. Split phase IM. Cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives hysteresis loss copper loss eddy current loss both 1and 2 hysteresis loss copper loss eddy current loss both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is demagnetizing. ineffective. cross – magnetizing. magnetizing. demagnetizing. ineffective. cross – magnetizing. magnetizing. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to two winding transformer with secondary short circuited. None of these auto transformer. two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. None of these auto transformer. two winding transformer with secondary open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of stepper motor. squirrel cage induction motor. slip ring induction motor. hysteresis motor. stepper motor. squirrel cage induction motor. slip ring induction motor. hysteresis motor. ANSWER DOWNLOAD EXAMIANS APP