DC Motors Armature reaction in dc motor is increased When the armature current decreases When the armature current increases By interpoles When the field current increases When the armature current decreases When the armature current increases By interpoles When the field current increases ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field control method Field divertor method Armature resistance control method Voltage control method Field control method Field divertor method Armature resistance control method Voltage control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Flux Field and armature resistance Armature current Speed Flux Field and armature resistance Armature current Speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Wide speed range Low cost Stability High starting torque Wide speed range Low cost Stability High starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for All D.C. motors Shunt as well as compound motors Shunt, compound and series motors Shunt motors All D.C. motors Shunt as well as compound motors Shunt, compound and series motors Shunt motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Field excitation None of the listed here Armature reaction Load Field excitation None of the listed here Armature reaction Load ANSWER DOWNLOAD EXAMIANS APP
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