DC Motors Which of the following methods gives the greatest braking torque? None of the listed here Regenerative braking Plugging Rheostatic braking None of the listed here Regenerative braking Plugging Rheostatic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to both (A) and (B) armature current only field flux only None of these both (A) and (B) armature current only field flux only None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 10 mm 6 mm 2 mm 0.4 mm 10 mm 6 mm 2 mm 0.4 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides Constant voltage drive Constant torque drive None of the listed here Constant current drive Constant voltage drive Constant torque drive None of the listed here Constant current drive ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Anywhere between 75% and 90% 1 Less than 50% Around 90% Anywhere between 75% and 90% 1 Less than 50% Around 90% ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Commutator Field winding Slip rings Armature winding Commutator Field winding Slip rings Armature winding ANSWER DOWNLOAD EXAMIANS APP
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