DC Motors Armature reaction in dc motor is increased When the field current increases When the armature current decreases When the armature current increases By interpoles When the field current increases When the armature current decreases When the armature current increases By interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Cummulative compounded motor Series motor Differentially compounded motor Shunt motor Cummulative compounded motor Series motor Differentially compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The most suitable motor for elevators is the ____ motor. Series Cummulative compounded Differentially compuonded Shunt Series Cummulative compounded Differentially compuonded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. None of the listed here Iron and friction losses Field losses Cu losses None of the listed here Iron and friction losses Field losses Cu losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Plugging Dynamic braking Regenerative None of these Plugging Dynamic braking Regenerative None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Cumulatively compounded motor Series motor Differentially compounded motor Shunt motor Cumulatively compounded motor Series motor Differentially compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
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