DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be The same as rated voltage Small High Zero The same as rated voltage Small High Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Compound generator Shunt generator Separately excited generator Series generator Compound generator Shunt generator Separately excited generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Paper Insulating varnish Mica Graphite Paper Insulating varnish Mica Graphite ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. None of the listed here Three times Two times the One-half of None of the listed here Three times Two times the One-half of ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 0.025 Ω 0.055 Ω 0.5 Ω 1 Ω 0.025 Ω 0.055 Ω 0.5 Ω 1 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss ANSWER DOWNLOAD EXAMIANS APP
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