DC Motors D.C. series motors are used Where constant operating speed is needed None of these Where load is constant Where load changes frequently Where constant operating speed is needed None of these Where load is constant Where load changes frequently ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Rheostatic braking None of the listed here Regenerative braking Plugging Rheostatic braking None of the listed here Regenerative braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Lathes Cranes Pump Punch presses Lathes Cranes Pump Punch presses ANSWER DOWNLOAD EXAMIANS APP
DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds None of the listed here Above the normal speed only Above as well as below the normal speed Below the normal speed only None of the listed here Above the normal speed only Above as well as below the normal speed Below the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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