DC Motors The value of back emf in dc motor is maximum at Full load Half full load No load None of the listed here Full load Half full load No load None of the listed here 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 Less than 50% Around 90% 1 Anywhere between 75% and 90% Less than 50% Around 90% 1 Anywhere between 75% and 90% ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Series Shunt Cummulative compounded Differentially compounded Series Shunt Cummulative compounded Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor constant torque is produced due to Pole shoes End plates Commutator Rotor laminations Pole shoes End plates Commutator Rotor laminations ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Field winding Commutator Slip rings Armature winding Field winding Commutator Slip rings Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Flux per pole × armature current Armature resistance × applied voltage Armature resistance × armature current None of the listed here Flux per pole × armature current Armature resistance × applied voltage Armature resistance × armature current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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