DC Motors D.C. series motors are used None of these Where constant operating speed is needed Where load is constant Where load changes frequently None of these Where constant operating speed is needed Where load is constant Where load changes frequently ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Lathes Pump Cranes Punch presses Lathes Pump Cranes Punch presses ANSWER DOWNLOAD EXAMIANS APP
DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds Above as well as below the normal speed Below the normal speed only Above the normal speed only None of the listed here Above as well as below the normal speed Below the normal speed only Above the normal speed only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit A resistance is connected in series with armature A resistance is connected parallel to the armature A high value resistor is connected across the field winding Armature is temporarily open circuited A resistance is connected in series with armature A resistance is connected parallel to the armature A high value resistor is connected across the field winding Armature is temporarily open circuited ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Series with armature None of the listed here Series-parallel with armature Parallel with armature Series with armature None of the listed here Series-parallel with armature Parallel with armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Iron and friction losses Cu losses Field losses None of the listed here Iron and friction losses Cu losses Field losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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