DC Motors In the dc motor the iron losses occur in Brushes Commutator Field Armature Brushes Commutator Field Armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Differentially compound motor Shunt motor Cummulative compound motor Series motor Differentially compound motor Shunt motor Cummulative compound motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally Around 500 Ω Infinitely large 1000 Ω Low Around 500 Ω Infinitely large 1000 Ω Low ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current Decreases None of the listed here Increases Remains same Decreases None of the listed here Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is High maintenance cost High initial cost All of these Low efficiency at high loads High maintenance cost High initial cost All of these Low efficiency at high loads 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