DC Generators The number of brushes in a commutator depends on Amount of current to be collected Voltage Type of winding Speed of armature Amount of current to be collected Voltage Type of winding Speed of armature 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 reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ Salient pole arrangements None salient pole arrangements None of the listed here Both salient and non salient pole arrangements Salient pole arrangements None salient pole arrangements None of the listed here Both salient and non salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their linear voltage characteristics rising voltage characteristics identical voltage characteristics drooping voltage characteristics linear voltage characteristics rising voltage characteristics identical voltage characteristics drooping voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation Infinite regulation 50% regulation 100% regulation 1% regulation Infinite regulation 50% regulation 100% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is 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 Equal to electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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