DC Motors The back emf in a dc motor ______ None of the listed here Aids the armature current Opposes the applied voltage Aids the applied voltage None of the listed here Aids the armature current Opposes the applied voltage Aids the applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Shunt motor Differentially compound motor Cumulative compound motor Series motor Shunt motor Differentially compound motor Cumulative compound motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Series-parallel with the armature None of the listed here Series with the armature Parallel with the armature Series-parallel with the armature None of the listed here Series with the armature Parallel with the armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Armature winding Slip rings Commutator Field winding Armature winding Slip rings Commutator Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will not run at all Motor will burn Motor will run at very high speed Motor will run at very slow speed Motor will not run at all Motor will burn Motor will run at very high speed Motor will run at very slow speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing All of the listed here Armature circuit resistance Aplied voltage Is flux All of the listed here Armature circuit resistance Aplied voltage Is flux ANSWER DOWNLOAD EXAMIANS APP
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