DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Mechanical loss Iron loss Constant loss Stray loss Mechanical loss Iron loss Constant loss 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 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 As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 40 percent 5 percent 25 percent 10 percent 40 percent 5 percent 25 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 100% regulation 1% regulation 50% regulation Infinite regulation 100% regulation 1% regulation 50% regulation Infinite regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator Is different for different generators Is similar for all types of generators None of the listed here May be same or different Is different for different generators Is similar for all types of generators None of the listed here May be same or different ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Silicon steel Nonferrous material Cast-iron Copper Silicon steel Nonferrous material Cast-iron Copper ANSWER DOWNLOAD EXAMIANS APP
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