Single Phase Motors The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it helps in reducing the tendency of the rotor teeth to remain under the stator teeth helps the rotor teeth to remain under the stator teeth improves the power factor improves the efficiency helps in reducing the tendency of the rotor teeth to remain under the stator teeth helps the rotor teeth to remain under the stator teeth improves the power factor improves the efficiency ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a single phase induction motor runs slower than normal, the most likely defect is worn bearings None of these open-circuit in the winding short-circuit in the winding worn bearings None of these open-circuit in the winding short-circuit in the winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A universal motor operates on Approximately constant speed and load Synchronous speed with varying load Constant speed and varying load Constant load and varying speed Approximately constant speed and load Synchronous speed with varying load Constant speed and varying load Constant load and varying speed ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a shaded pole motor, the direction of rotation is from Depends on supply line polarity Shaded pole to main pole None of the listed here Main poles to shaded pole Depends on supply line polarity Shaded pole to main pole None of the listed here Main poles to shaded pole 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 None of the listed here More than Less than The same as None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will Run as induction motor Fall out of synchronism and come to stand still Become unstable Draw excessive armature current and may burn out Run as induction motor Fall out of synchronism and come to stand still Become unstable Draw excessive armature current and may burn out ANSWER DOWNLOAD EXAMIANS APP