DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Regenerative None of these Dynamic braking Plugging Regenerative None of these Dynamic braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Decrease Remains same Increase Become zero Decrease Remains same Increase Become zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Starting the motor Accelerating the motor Preventing fuse blowing Avoiding excessive starting current Starting the motor Accelerating the motor Preventing fuse blowing Avoiding excessive starting current ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Misaligment of machine Worn bearings Loose coupling Dirt on the commutator Misaligment of machine Worn bearings Loose coupling Dirt on the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Yoke Size of conductor Commutator Winding Yoke Size of conductor Commutator Winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging field terminals None of the listed here Interchanging supply terminals Either of Interchanging field or Interchanging supply Interchanging field terminals None of the listed here Interchanging supply terminals Either of Interchanging field or Interchanging supply ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS