DC Motors The friction and windage losses in a dc motor depends upon Speed Armature current Flux Field and armature resistance Speed Armature current Flux Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. 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 Above the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around All of these Rated r.p.m. Full load Rated voltage All of these Rated r.p.m. Full load Rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Locomotive Lathe machine Air blower Centrifugal pump Locomotive Lathe machine Air blower Centrifugal pump 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 methods gives the greatest braking torque? Regenerative braking Rheostatic braking None of the listed here Plugging Regenerative braking Rheostatic braking None of the listed here Plugging ANSWER DOWNLOAD EXAMIANS APP
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