DC Generators High voltage dc machine use _____ winding. Lap Wave Either lap or wave None of the listed here Lap Wave Either lap or wave None of the listed here 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 increase the field resistance reverse the field connections increase the speed of primemover check armature insulation resistance increase the field resistance reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux To increase the generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) Electromagnets Permanent magnets None of these Both (A) and (B) Electromagnets Permanent magnets None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature conductors of a 6 pole, lap wound dc generator are divided into 3 parallel paths 6 parallel paths 2 parallel paths 4 parallel paths 3 parallel paths 6 parallel paths 2 parallel paths 4 parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Zero The same as rated voltage Small High Zero The same as rated voltage Small High ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS