DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Cu losses Iron and friction losses Field losses None of the listed here Cu losses Iron and friction losses Field losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Armature divertor Field divertor Voltage regulator Potential divider Armature divertor Field divertor Voltage regulator Potential divider ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the generated emf To increase the generated emf To reduce the sparking To improve cooling To reduce the generated emf To increase the generated emf To reduce the sparking To improve cooling ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Cumulatively compounded motor Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor Series motor Shunt motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Shunt Differentially compounded Series Cumulatively compounded Shunt Differentially compounded Series Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP