DC Motors The speed of a dc motor can be controlled by changing Armature circuit resistance All of the listed here Aplied voltage Is flux Armature circuit resistance All of the listed here Aplied voltage Is flux ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Hopkinson's test Field test Swinburne's test Brake test Hopkinson's test Field test Swinburne's test Brake test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. One-third None of the listed here Half Twice One-third None of the listed here Half Twice ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To control the speed of machine To improve commutation To reduce armature reaction None of the listed here To control the speed of machine To improve commutation To reduce armature reaction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving Machine tools Cranes and hoists Shear and punches None of the listed here Machine tools Cranes and hoists Shear and punches 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 Interchanging supply terminals Interchanging field terminals None of the listed here Either of Interchanging field or Interchanging supply Interchanging supply terminals Interchanging field terminals None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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