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 check armature insulation resistance increase the field resistance increase the speed of primemover reverse the field connections check armature insulation resistance increase the field resistance increase the speed of primemover reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Field current Data is insufficient Armature current None of the listed here Field current Data is insufficient Armature current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Flat compounded Over compounded Shunt Series Flat compounded Over compounded Shunt Series 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 Current versus time graph for an ideal commutation is a None of the listed here Parabola Hydrobola Straight line None of the listed here Parabola Hydrobola Straight line ANSWER DOWNLOAD EXAMIANS APP
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