DC Generators The armature of dc generator is laminated to Insulate the core Reduce the bulk Reduce eddy current loss Provide the bulk Insulate the core Reduce the bulk Reduce eddy current loss Provide the bulk ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Mercury are rectifier Induction motor D.C. generator set Synchronous motor D.C. generator set Rotary converter Mercury are rectifier Induction motor D.C. generator set Synchronous motor D.C. generator set Rotary converter ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Mechanical efficiency Electrical efficiency Overall efficiency None of the listed here Mechanical efficiency Electrical efficiency Overall efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Contact resistance is decreased Carbon is cheap Carbon lubricates and polishes the commutator None of the listed here Contact resistance is decreased Carbon is cheap Carbon lubricates and polishes the commutator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ None of the listed here Armature winding Commutator Field winding None of the listed here Armature winding Commutator Field winding ANSWER DOWNLOAD EXAMIANS APP
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