DC Motors A compensating winding is an auxiliary winding embedded in slots in The armature None of the listed here Partly in pole faces, partly in armature The pole faces of main poles The armature None of the listed here Partly in pole faces, partly in armature The pole faces of main poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased By interpoles When the field current increases When the armature current decreases When the armature current increases By interpoles When the field current increases When the armature current decreases When the armature current increases ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is simple in construction Is cheap Provides fine speed control None of the listed here Is simple in construction Is cheap Provides fine speed control None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will burn Motor will not run at all Motor will run at very slow speed Motor will run at very high speed Motor will burn Motor will not run at all Motor will run at very slow speed Motor will run at very high speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Windage loss Armature copper loss Field copper loss None of these Windage loss Armature copper loss Field copper loss None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Brake test Hopkinson's test Swinburne's test Field's test Brake test Hopkinson's test Swinburne's test Field's test ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS