DC Motors The torque developed by a dc motor is directly proportional to None of the listed here Armature resistance × armature current Flux per pole × armature current Armature resistance × applied voltage None of the listed here Armature resistance × armature current Flux per pole × armature current Armature resistance × applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on None of the listed here Speed only Both flux and speed Flux only None of the listed here Speed only Both flux and speed Flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not the function of pole shoes in a D.C. machine? To reduce eddy current loss To reduce the reluctance of the magnetic path To spread out flux for better uniformity To support the field coils To reduce eddy current loss To reduce the reluctance of the magnetic path To spread out flux for better uniformity To support the field coils ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Cummulative compounded Series Shunt Differentially compounded Cummulative compounded Series Shunt Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Differentially compound motor Series motor Shunt motor Cummulative compound motor Differentially compound motor Series motor Shunt motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 2.0 4.0 1.0 0.5 2.0 4.0 1.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
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