DC Motors In a dc motor if the back emf is absent Motor will burn Motor will run at very slow speed Motor will not run at all Motor will run at very high speed Motor will burn Motor will run at very slow speed Motor will not run at all Motor will run at very high speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ None of the listed here Opposes the applied voltage Aids the applied voltage Aids the armature current None of the listed here Opposes the applied voltage Aids the applied voltage Aids the armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Air blower Lathe machine Centrifugal pump Locomotive Air blower Lathe machine Centrifugal pump Locomotive ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is inversely proportional to applied voltage None of the listed here Directly proportional to flux per pole inversely proportional to flux per pole inversely proportional to applied voltage None of the listed here Directly proportional to flux per pole inversely proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor has got maximum self loading property? Cumulatively compounded motor Differentially compounded motor Shunt motor Series motor Cumulatively compounded motor Differentially compounded motor Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Avoiding excessive starting current Starting the motor Preventing fuse blowing Accelerating the motor Avoiding excessive starting current Starting the motor Preventing fuse blowing Accelerating the motor ANSWER DOWNLOAD EXAMIANS APP