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 reverse the field connections 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 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 ______ 100 800 1600 3200 100 800 1600 3200 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Ampere turns Flux density Reluctance Resistance Ampere turns Flux density Reluctance Resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to None of the listed here Increase the total flux Decrease the total flux Make the air gap flux uniform None of the listed here Increase the total flux Decrease the total flux Make the air gap flux uniform ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Number of pairs of poles None of the listed here 1 Numbers of poles in the machine Number of pairs of poles None of the listed here 1 Numbers of poles in the machine ANSWER DOWNLOAD EXAMIANS APP