DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like A capacitive circuit A low resistance circuit None of these A highly resistive circuit A capacitive circuit A low resistance circuit None of these A highly resistive circuit ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when 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 The load is increase ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Speed Armature current Field and armature resistance Flux Speed Armature current Field and armature resistance Flux ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To control the speed of machine None of the listed here To improve commutation To reduce armature reaction To control the speed of machine None of the listed here To improve commutation To reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing Aplied voltage Is flux Armature circuit resistance All of the listed here Aplied voltage Is flux Armature circuit resistance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Differentially compounded Shunt Cumulatively compounded Series Differentially compounded Shunt Cumulatively compounded Series ANSWER DOWNLOAD EXAMIANS APP