Single Phase Motors The speed control of universal motor used for sewing machines is by Friction Tapping the field Centrifugal mechanism Varying the resistance Friction Tapping the field Centrifugal mechanism Varying the resistance ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 1500 rpm None of the listed here 1200 rpm 750 rpm 1500 rpm None of the listed here 1200 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, a dc series motor costs ______single phase series motor. More than About the same None of the listed here Less than More than About the same None of the listed here Less than 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 improves the efficiency helps the rotor teeth to remain under the stator teeth helps in reducing the tendency of the rotor teeth to remain under the stator teeth improves the power factor improves the efficiency helps the rotor teeth to remain under the stator teeth helps in reducing the tendency of the rotor teeth to remain under the stator teeth ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The motor used for the compressors is reluctance motor c. series motor shaded pole motor capacitor-start capacitor-run motor reluctance motor c. series motor shaded pole motor capacitor-start capacitor-run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then motor will not carry the load electrolytic capacitor will, in all probability, suffer break down motor will not come up to speed current drawn by the motor will be excessively high motor will not carry the load electrolytic capacitor will, in all probability, suffer break down motor will not come up to speed current drawn by the motor will be excessively high ANSWER DOWNLOAD EXAMIANS APP
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