DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 2.0 0.5 4.0 1.0 2.0 0.5 4.0 1.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ Aids the armature current Aids the applied voltage None of the listed here Opposes the applied voltage Aids the armature current Aids the applied voltage None of the listed here Opposes the applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Highest torque braking Zero torque braking Smallest torque braking None of the listed here Highest torque braking Zero torque braking Smallest torque braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Regenerative braking Plugging Rheostatic braking None of the listed here Regenerative braking Plugging Rheostatic braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Armature winding Field winding Slip rings Commutator Armature winding Field winding Slip rings Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides None of the listed here Constant voltage drive Constant torque drive Constant current drive None of the listed here Constant voltage drive Constant torque drive Constant current drive ANSWER DOWNLOAD EXAMIANS APP
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