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