DC Motors If a dc motor is comnected across the AC supply it will Not run Burn due to heat produced in the field winding by eddy currents Run at normal speed Run at lower speed Not run Burn due to heat produced in the field winding by eddy currents Run at normal speed Run at lower speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. None of the listed here One-third Twice Half None of the listed here One-third Twice Half ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving None of the listed here Cranes and hoists Machine tools Shear and punches None of the listed here Cranes and hoists Machine tools Shear and punches ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Shunt motor Series motor Differentially compound motor Cumulative compound motor Shunt motor Series motor Differentially compound motor Cumulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Rated r.p.m. All of these Full load Rated voltage Rated r.p.m. All of these Full load Rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Avoiding excessive starting current Preventing fuse blowing Accelerating the motor Starting the motor Avoiding excessive starting current Preventing fuse blowing Accelerating the motor Starting the motor ANSWER DOWNLOAD EXAMIANS APP
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