DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. Above the normal speed only Below the normal speed only None of the listed here Above as well as below the normal speed Above the normal speed only Below the normal speed only None of the listed here Above as well as below the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when Load is removed The armature circuit is opened. The field is opened The load is increase Load is removed The armature circuit is opened. The field is opened The load is increase ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Field Brushes Armature Commutator Field Brushes Armature Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Core loss Copper loss Windage loss Friction loss Core loss Copper loss Windage loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Cummulative compounded Differentially compounded Shunt Series Cummulative compounded Differentially compounded Shunt Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor, the brushes are shifted from the mechanical neutral plane in a direction opposite to the rotation to _____ Increase speed Produce flat characteristics Reduce sparking Decrease speed Increase speed Produce flat characteristics Reduce sparking Decrease speed ANSWER DOWNLOAD EXAMIANS APP