DC Motors Which one of the following is not the function of pole shoes in a D.C. machine? To reduce the reluctance of the magnetic path To reduce eddy current loss To spread out flux for better uniformity To support the field coils To reduce the reluctance of the magnetic path To reduce eddy current loss To spread out flux for better uniformity To support the field coils ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Brushes Field Commutator Armature Brushes Field Commutator Armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is simple in construction Provides fine speed control None of the listed here Is cheap Is simple in construction Provides fine speed control None of the listed here Is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 6 poles 4 poles 2 poles 8 poles 6 poles 4 poles 2 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will run at very high speed Motor will not run at all Motor will burn Motor will run at very slow speed Motor will run at very high speed Motor will not run at all Motor will burn Motor will run at very slow speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Zero More than the normal speed Normal speed Loss than the normal speed Zero More than the normal speed Normal speed Loss than the normal speed ANSWER DOWNLOAD EXAMIANS APP
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