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