DC Motors The most suitable motor for elevators is the ____ motor. Series Shunt Differentially compuonded Cummulative compounded Series Shunt Differentially compuonded Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Dirt on the commutator Loose coupling Worn bearings Misaligment of machine Dirt on the commutator Loose coupling Worn bearings Misaligment of machine ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Field control method Voltage control method Armature resistance control method Field divertor method Field control method Voltage control method Armature resistance control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the generated emf To reduce the sparking To improve cooling To increase the generated emf To reduce the generated emf To reduce the sparking To improve cooling To increase the generated emf ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Has its field winding consisting of thick wire and less turns Has a poor torque Has almost constant speed Can be started easily without load Has its field winding consisting of thick wire and less turns Has a poor torque Has almost constant speed Can be started easily without load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Shunt Series Differentially compounded Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
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