DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will stop The motor will run noisy The motor will continue to run The armature may burn The motor will stop The motor will run noisy The motor will continue to run The armature may burn ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 20 HP Upto 5 HP Upto 10 HP Upto 15 HP Upto 20 HP Upto 5 HP Upto 10 HP Upto 15 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Differentially compound motor Cummulative compound motor Series motor Shunt motor Differentially compound motor Cummulative compound motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Field winding Commutator Armature winding Slip rings Field winding Commutator Armature winding Slip rings ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Field winding Armature winding Slip rings Commutator Field winding Armature winding Slip rings Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Shunt armature control Armature voltage control Mechanical loading system Field control Shunt armature control Armature voltage control Mechanical loading system Field control ANSWER DOWNLOAD EXAMIANS APP
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