Single Phase Motors Which of the following applications always have some load whenever switched on? Piston drills Vaccum cleaners Fan motors All of the listed here Piston drills Vaccum cleaners Fan motors All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The electric motor used in portable drills is Capacitor run motor Universal motor Hysteresis motor Repulsion motor Capacitor run motor Universal motor Hysteresis motor Repulsion motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a single phase induction motor runs slower than normal, the most likely defect is worn bearings open-circuit in the winding short-circuit in the winding None of these worn bearings open-circuit in the winding short-circuit in the winding None of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it improves the power factor helps the rotor teeth to remain under the stator teeth improves the efficiency helps in reducing the tendency of the rotor teeth to remain under the stator teeth improves the power factor helps the rotor teeth to remain under the stator teeth improves the efficiency helps in reducing the tendency of the rotor teeth to remain under the stator teeth ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis brush axis coincides with the field axis None of these brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis brush axis coincides with the field axis None of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a repulsion motor, brushes are connected To starting winding To the external supply Together by a jumper wire To stator winding To starting winding To the external supply Together by a jumper wire To stator winding ANSWER DOWNLOAD EXAMIANS APP