Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Reluctance motors. Stepper motors. Induction motors. Universal motors. Reluctance motors. Stepper motors. Induction motors. Universal motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is jaw crushers. lifts and hoists. blowers. paper mills. jaw crushers. lifts and hoists. blowers. paper mills. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Crawling in an induction motor is due to slip ring rotor. insufficient starting torque. space harmonics produced by winding currents. time harmonics in supply. slip ring rotor. insufficient starting torque. space harmonics produced by winding currents. time harmonics in supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 70° to 85° 90° 25° to 30° 0° 70° to 85° 90° 25° to 30° 0° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor when started on no load does not accelerate up to full speed but runs at 1/7th of the rated speed. The motor is said to be locking. cogging. plugging. crawling. locking. cogging. plugging. crawling. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the ripples in the direct emf generated are reduced by employing commutator with large number of segments. graphite brushes. carbon brushes. equalizer rings. commutator with large number of segments. graphite brushes. carbon brushes. equalizer rings. ANSWER DOWNLOAD EXAMIANS APP