DC Generators The armature of dc generator is laminated to Provide the bulk Insulate the core Reduce the bulk Reduce eddy current loss Provide the bulk Insulate the core Reduce the bulk Reduce eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Carbon Silicon steel Stainless steel Case iron Carbon Silicon steel Stainless steel Case iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Twice the number of poles None of the listed here Numbers of conductors Number of coils Twice the number of poles None of the listed here Numbers of conductors Number of coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is Equal to electrical efficiency None of the listed here More than electrical efficiency Less than electrical efficiency Equal to electrical efficiency None of the listed here More than electrical efficiency Less than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to increase the speed of primemover check armature insulation resistance increase the field resistance reverse the field connections increase the speed of primemover check armature insulation resistance increase the field resistance reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Resistance None of the listed here Capacitance Inductance Resistance None of the listed here Capacitance Inductance ANSWER DOWNLOAD EXAMIANS APP
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