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 The compensating winding is connected in None of the listed here Series-parallel with armature Series with armature Parallel with armature None of the listed here Series-parallel with armature Series with armature Parallel with armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Pumping sets Machine shops Electric traction Air compressors Pumping sets Machine shops Electric traction Air compressors ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 4000 rpm Infinity 1000 rpm 2000 rpm 4000 rpm Infinity 1000 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
DC Motors The direction of rotation of a D.C. series motor can be changed by Either of (A) and (B) above None of these Interchanging supply terminals Interchanging field terminals Either of (A) and (B) above None of these Interchanging supply terminals Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Also runs as a motor comes to stop after sometime None of these Runs as a generator Does not run as a generator Also runs as a motor comes to stop after sometime None of these Runs as a generator Does not run as a generator ANSWER DOWNLOAD EXAMIANS APP
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