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 ______ 100 800 1600 3200 100 800 1600 3200 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 real working part of a dc machine is the ______ Field winding None of the listed here Commutator Armature winding Field winding None of the listed here Commutator Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Shunt Flat compounded None of the listed here Series Shunt Flat compounded None of the listed here Series ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Electromagnets None of these Both (A) and (B) Permanent magnets Electromagnets None of these Both (A) and (B) Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is None of the listed here Equal to electrical efficiency Less than electrical efficiency More than electrical efficiency None of the listed here Equal to electrical efficiency Less than electrical efficiency More than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
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