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 D.C. generators are normally designed for maximum efficiency around Full load All of these Rated voltage Rated r.p.m. Full load All of these Rated voltage Rated r.p.m. ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Core loss Windage loss Copper loss Friction loss Core loss Windage loss Copper loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Zero torque braking None of the listed here Smallest torque braking Highest torque braking Zero torque braking None of the listed here Smallest torque braking Highest torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven None of these Does not run as a generator Also runs as a motor comes to stop after sometime Runs as a generator None of these Does not run as a generator Also runs as a motor comes to stop after sometime Runs as a generator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 8 poles 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles ANSWER DOWNLOAD EXAMIANS APP
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