Single Phase Motors If a DC series motor is operated on AC supply, it will All of the listed here Spark excessively Have poor efficiency Have poor power factor All of the listed here Spark excessively Have poor efficiency Have poor power factor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The purpose of starting winding in a single phase induction motor is to _____ Limit temperature rise of the machine Produce rotating flux in conjunction with main winding None of the listed here Reduce losses Limit temperature rise of the machine Produce rotating flux in conjunction with main winding None of the listed here Reduce losses ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Friction Tapping the field Varying the resistance Centrifugal mechanism Friction Tapping the field Varying the resistance Centrifugal mechanism ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A shaded pole motor does not possess commutator centrifugal switch all of these capacitor commutator centrifugal switch all of these capacitor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors What could be the size of a universal motor for use in vaccum cleaners? 1/4 HP 1 HP 2 HP 3/4 HP 1/4 HP 1 HP 2 HP 3/4 HP ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a single phase induction motor runs slower than normal, the most likely defect is short-circuit in the winding worn bearings open-circuit in the winding None of these short-circuit in the winding worn bearings open-circuit in the winding None of these ANSWER DOWNLOAD EXAMIANS APP