DC Generators The efficiency of a dc generator means its Overall efficiency Mechanical efficiency None of the listed here Electrical efficiency Overall efficiency Mechanical efficiency None of the listed here Electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) Permanent magnets None of these Electromagnets Both (A) and (B) Permanent magnets None of these Electromagnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage None of these May be greater or less than 250 V Will be less than 250 V Will always be 250 V None of these May be greater or less than 250 V Will be less than 250 V Will always be 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Over compounded Flat compounded Shunt Series Over compounded Flat compounded Shunt Series 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 increase the field resistance check armature insulation resistance reverse the field connections increase the speed of primemover increase the field resistance check armature insulation resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 1600 100 3200 800 1600 100 3200 800 ANSWER DOWNLOAD EXAMIANS APP
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