DC Motors Differentially compound D.C. motors can find applications requiring High starting torque Variable speed Frequent on-off cycles Low starting torque High starting torque Variable speed Frequent on-off cycles Low starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current decreases When the armature current increases When the field current increases By interpoles When the armature current decreases When the armature current increases When the field current increases By interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is High maintenance cost Low efficiency at high loads High initial cost All of these High maintenance cost Low efficiency at high loads High initial cost All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Differentially compound motor Shunt motor Series motor Cummulative compound motor Differentially compound motor Shunt motor Series motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Speed Field and armature resistance Armature current Flux Speed Field and armature resistance Armature current Flux ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Field excitation None of the listed here Armature reaction Load Field excitation None of the listed here Armature reaction Load ANSWER DOWNLOAD EXAMIANS APP
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