DC Motors The resistance of shunt field winding as compared to series field winding is None of the listed here Less The same More None of the listed here Less The same More ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? High starting torque Low cost Wide speed range Stability High starting torque Low cost Wide speed range Stability ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is run as a generator Motor is reversed in direction Motor is run at reduced speed None of the listed here Motor is run as a generator Motor is reversed in direction Motor is run at reduced speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring High starting torque Low starting torque Variable speed Frequent on-off cycles High starting torque Low starting torque Variable speed Frequent on-off cycles ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Speed Flux Armature current Field and armature resistance Speed Flux Armature current Field and armature resistance 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 _____ Produce flat characteristics Increase speed Decrease speed Reduce sparking Produce flat characteristics Increase speed Decrease speed Reduce sparking ANSWER DOWNLOAD EXAMIANS APP
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