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 In the dc motor the iron losses occur in Commutator Armature Brushes Field Commutator Armature Brushes Field ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Lathe machine Centrifugal pump Locomotive Air blower Lathe machine Centrifugal pump Locomotive Air blower ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Shunt motor Series motor Cummulative compound motor Differentially compound motor Shunt motor Series motor Cummulative compound motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Differentially compounded Series Cummulative compounded Shunt Differentially compounded Series Cummulative compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Regenerative Plugging None of these Dynamic braking Regenerative Plugging None of these Dynamic braking ANSWER DOWNLOAD EXAMIANS APP