DC Motors The greatest percentage of power loss in a dc motor is due to Windage loss Copper loss Friction loss Core loss Windage loss Copper loss Friction loss Core loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Field and armature resistance Armature current Speed Flux Field and armature resistance Armature current Speed Flux ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. Low no load speed High starting torque Constant speed None of the listed here Low no load speed High starting torque Constant speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Differentially compounded Series Shunt Cummulative compounded Differentially compounded Series Shunt Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They reduce sparking They have longer life They have lower resistance They reduce armature reaction They reduce sparking They have longer life They have lower resistance They reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP