DC Motors Excessive sparking at brushes may be caused due to Misaligment of machine Loose coupling Dirt on the commutator Worn bearings Misaligment of machine Loose coupling Dirt on the commutator Worn bearings ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Field control Shunt armature control Armature voltage control Mechanical loading system Field control Shunt armature control Armature voltage control Mechanical loading system ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The power drawn in kW The output power available at the shaft The gross power The power drawn in kVA The power drawn in kW The output power available at the shaft The gross power The power drawn in kVA ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Differentially compounded Cummulative compounded Shunt Series Differentially compounded Cummulative compounded Shunt Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Can be started easily without load Has a poor torque Has almost constant speed Has its field winding consisting of thick wire and less turns Can be started easily without load Has a poor torque Has almost constant speed Has its field winding consisting of thick wire and less turns ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Trains Cranes Machine tools Hoist Trains Cranes Machine tools Hoist ANSWER DOWNLOAD EXAMIANS APP
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