DC Motors The speed of a series motor at no load is 4000 rpm Infinity 2000 rpm 1000 rpm 4000 rpm Infinity 2000 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides None of the listed here Constant voltage drive Constant torque drive Constant current drive None of the listed here Constant voltage drive Constant torque drive Constant current drive ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens This will make armature to take heavy current, possibly burning it Motor will run at very slow speed Nothing will happen to the motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses This will make armature to take heavy current, possibly burning it Motor will run at very slow speed Nothing will happen to the motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Cummulative compound motor Series motor Shunt motor Differentially compound motor Cummulative compound motor Series motor Shunt motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Shunt motor only Compound motor only Series motor only Both shunt and compound motor Shunt motor only Compound motor only Series motor only Both shunt and compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Series-parallel with armature Parallel with armature None of the listed here Series with armature Series-parallel with armature Parallel with armature None of the listed here Series with armature ANSWER DOWNLOAD EXAMIANS APP