DC Motors The greatest percentage of power loss in a dc motor is due to Windage loss Core loss Copper loss Friction loss Windage loss Core loss Copper loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Armature current Speed Field and armature resistance Flux Armature current Speed Field and armature resistance Flux ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. Constant speed None of the listed here High starting torque Low no load speed Constant speed None of the listed here High starting torque Low no load speed 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 armature reaction They have longer life They have lower resistance They reduce sparking They reduce armature reaction They have longer life They have lower resistance They reduce sparking ANSWER DOWNLOAD EXAMIANS APP