DC Motors The back emf in a dc motor ______ Aids the applied voltage None of the listed here Aids the armature current Opposes the applied voltage Aids the applied voltage None of the listed here Aids the armature current Opposes the applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Cranes Lathes Pump Punch presses Cranes Lathes Pump Punch presses ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for All D.C. motors Shunt, compound and series motors Shunt as well as compound motors Shunt motors All D.C. motors Shunt, compound and series motors Shunt as well as compound motors Shunt motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by None of the listed here Load Field excitation Armature reaction None of the listed here Load Field excitation Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Dirt on the commutator Misaligment of machine Worn bearings Loose coupling Dirt on the commutator Misaligment of machine Worn bearings Loose coupling ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thermistor Thyristor Transistor Thyratron Thermistor Thyristor Transistor Thyratron ANSWER DOWNLOAD EXAMIANS APP
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