DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging supply terminals Interchanging field terminals 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 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 Four point starter is used Drum type controller is used Three point starter is used All above can be used Four point starter is used Drum type controller is used Three point starter is used ANSWER DOWNLOAD EXAMIANS APP
DC Motors Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be Differentially compounded Cumulatively compounded Level compounded Under compounded Differentially compounded Cumulatively compounded Level compounded Under compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing Armature circuit resistance Aplied voltage Is flux All of the listed here Armature circuit resistance Aplied voltage Is flux All of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Armature Field Commutator Brushes Armature Field Commutator Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 4000 rpm Infinity 1000 rpm 2000 rpm 4000 rpm Infinity 1000 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
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