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 In a dc motor constant torque is produced due to Rotor laminations Pole shoes Commutator End plates Rotor laminations Pole shoes Commutator End plates ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor, the brushes are shifted from the mechanical neutral plane in a direction opposite to the rotation to _____ Produce flat characteristics Reduce sparking Decrease speed Increase speed Produce flat characteristics Reduce sparking Decrease speed Increase speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded Shunt Series Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To improve commutation To control the speed of machine To reduce armature reaction None of the listed here To improve commutation To control the speed of machine To reduce armature reaction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Series motor only Both shunt and compound motor Compound motor only Shunt motor only Series motor only Both shunt and compound motor Compound motor only Shunt motor only ANSWER DOWNLOAD EXAMIANS APP
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