DC Motors A series motor will over speed when The load is increase The armature circuit is opened. The field is opened Load is removed The load is increase The armature circuit is opened. The field is opened Load is removed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The direction of rotation of a D.C. series motor can be changed by Interchanging supply terminals None of these Either of (A) and (B) above Interchanging field terminals Interchanging supply terminals None of these Either of (A) and (B) above Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To increase the generated emf To reduce the sparking To improve cooling To reduce the generated emf To increase the generated emf To reduce the sparking To improve cooling To reduce the generated emf ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Series with armature Series-parallel with armature None of the listed here Parallel with armature Series with armature Series-parallel with armature None of the listed here Parallel with armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Shunt motor Cummulative compound motor Differentially compound motor Series motor Shunt motor Cummulative compound motor Differentially compound motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Series Cumulatively compounded Differentially compounded Shunt Series Cumulatively compounded Differentially compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
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