DC Generators The voltage drop for which of the following types of brush can be expected to be least? None of these Metal graphite brushes Carbon brushes Graphite brushes None of these Metal graphite brushes Carbon brushes Graphite brushes 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 reverse the field connections 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Electrical efficiency None of the listed here Mechanical efficiency Overall efficiency Electrical efficiency None of the listed here Mechanical efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Rotary converter Induction motor D.C. generator set Mercury are rectifier Synchronous motor D.C. generator set Rotary converter Induction motor D.C. generator set Mercury are rectifier Synchronous motor D.C. generator set ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their drooping voltage characteristics linear voltage characteristics identical voltage characteristics rising voltage characteristics drooping voltage characteristics linear voltage characteristics identical voltage characteristics rising voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as A load A rectifier None of the listed here An amplifier A load A rectifier None of the listed here An amplifier ANSWER DOWNLOAD EXAMIANS APP
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