DC Motors The speed of a dc motor can be controlled by changing Armature circuit resistance Is flux Aplied voltage All of the listed here Armature circuit resistance Is flux Aplied voltage All of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control All above can be used Three point starter is used Four point starter is used Drum type controller is used All above can be used Three point starter is used Four point starter is used Drum type controller is used ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor None of the listed here Motor is reversed in direction Motor is run at reduced speed Motor is run as a generator None of the listed here Motor is reversed in direction Motor is run at reduced speed Motor is run as a generator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 0.4 mm 10 mm 6 mm 2 mm 0.4 mm 10 mm 6 mm 2 mm 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 supply terminals Interchanging field terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging supply terminals Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking None of these Plugging Dynamic braking Regenerative None of these Plugging Dynamic braking Regenerative ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS