DC Motors In the dc motor the iron losses occur in Commutator Brushes Armature Field Commutator Brushes Armature Field ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 4000 rpm 1000 rpm 2000 rpm Infinity 4000 rpm 1000 rpm 2000 rpm Infinity ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent 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 Motor will run at very high speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Either of Interchanging field or Interchanging supply Interchanging field terminals Interchanging supply terminals None of the listed here Either of Interchanging field or Interchanging supply Interchanging field terminals Interchanging supply terminals None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Centrifugal pump Locomotive Lathe machine Air blower Centrifugal pump Locomotive Lathe machine Air blower ANSWER DOWNLOAD EXAMIANS APP