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