DC Motors A dc motor can be easily identified by Winding Yoke Commutator Size of conductor Winding Yoke Commutator Size of conductor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the generated emf To reduce the sparking To increase the generated emf To improve cooling To reduce the generated emf To reduce the sparking To increase the generated emf To improve cooling ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is All of these High initial cost High maintenance cost Low efficiency at high loads All of these High initial cost High maintenance cost Low efficiency at high loads ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On yoke in the pole faces On armature None of the listed here On yoke in the interpolar gap On yoke in the pole faces On armature None of the listed here On yoke in the interpolar gap ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Armature resistance control method Voltage control method Field control method Field divertor method Armature resistance control method Voltage control method Field control method Field divertor method ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Commutator Brushes Armature Field Commutator Brushes Armature Field ANSWER DOWNLOAD EXAMIANS APP
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