DC Motors The speed of a dc motor is Directly proportional to flux per pole inversely proportional to applied voltage inversely proportional to flux per pole None of the listed here Directly proportional to flux per pole inversely proportional to applied voltage inversely proportional to flux per pole None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Either of Interchanging field or Interchanging supply None of the listed here Interchanging field terminals Interchanging supply terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging field terminals Interchanging supply terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Size of conductor Yoke Commutator Winding Size of conductor Yoke Commutator Winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? None of the listed here Plugging Rheostatic braking Regenerative braking None of the listed here Plugging Rheostatic braking Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Starting torque Operating speed All of these Full-load current Starting torque Operating speed All of these Full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at Full load No load Half full load None of the listed here Full load No load Half full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP