DC Motors The greatest percentage of power loss in a dc motor is due to Copper loss Friction loss Windage loss Core loss Copper loss Friction loss Windage loss Core loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Field and armature resistance Flux Armature current Speed Field and armature resistance Flux Armature current Speed 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 Cummulative compounded Series Shunt Differentially compounded Cummulative compounded Series Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They have lower resistance They reduce sparking They have longer life They reduce armature reaction They have lower resistance They reduce sparking They have longer life They reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP