DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking None of these Dynamic braking Plugging Regenerative None of these Dynamic braking Plugging Regenerative ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving Shear and punches None of the listed here Cranes and hoists Machine tools Shear and punches None of the listed here Cranes and hoists Machine tools ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Starting torque Full-load current All of these Operating speed Starting torque Full-load current All of these Operating speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds Above the normal speed only None of the listed here Below the normal speed only Above as well as below the normal speed Above the normal speed only None of the listed here Below the normal speed only Above as well as below the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Armature copper loss Field copper loss None of these Windage loss Armature copper loss Field copper loss None of these Windage loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when 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 Load is removed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS