DC Motors Which of the following methods gives the greatest braking torque? None of the listed here Rheostatic braking Regenerative braking Plugging None of the listed here Rheostatic braking Regenerative braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not the function of pole shoes in a D.C. machine? To support the field coils To reduce eddy current loss To spread out flux for better uniformity To reduce the reluctance of the magnetic path To support the field coils To reduce eddy current loss To spread out flux for better uniformity To reduce the reluctance of the magnetic path ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Field winding Armature winding Commutator Slip rings Field winding Armature winding Commutator Slip rings ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving None of the listed here Machine tools Cranes and hoists Shear and punches None of the listed here Machine tools Cranes and hoists Shear and punches ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is More The same None of the listed here Less More The same None of the listed here Less ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased 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 When the armature current decreases ANSWER DOWNLOAD EXAMIANS APP
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