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