DC Motors A compensating winding is an auxiliary winding embedded in slots in None of the listed here Partly in pole faces, partly in armature The pole faces of main poles The armature None of the listed here Partly in pole faces, partly in armature The pole faces of main poles The armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Loose coupling Misaligment of machine Dirt on the commutator Worn bearings Loose coupling Misaligment of machine Dirt on the commutator Worn bearings ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Lenz's law Fleming's left hand rule Coloumb's law Faraday's law Lenz's law Fleming's left hand rule Coloumb's law Faraday's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in None of the listed here Series with the armature Series-parallel with the armature Parallel with the armature None of the listed here Series with the armature Series-parallel with the armature Parallel with the armature 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 variable speed motor Same commutating field is needed at low speed than at high speed None of these A stronger commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed Same commutating field is needed at low speed than at high speed None of these A stronger commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed ANSWER DOWNLOAD EXAMIANS APP