DC Motors The greatest percentage of power loss in a dc motor is due to Copper loss Windage loss Friction loss Core loss Copper loss Windage loss Friction loss Core loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Flux Armature current Field and armature resistance Speed Flux Armature current Field and armature resistance Speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. 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 Constant speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Cummulative compounded Shunt Differentially compounded Series Cummulative compounded Shunt Differentially compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They have lower resistance They reduce sparking They reduce armature reaction They have longer life They have lower resistance They reduce sparking They reduce armature reaction They have longer life ANSWER DOWNLOAD EXAMIANS APP