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