DC Motors D.C. generators are normally designed for maximum efficiency around Rated voltage All of these Rated r.p.m. Full load Rated voltage All of these Rated r.p.m. Full load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To reduce armature reaction None of the listed here To control the speed of machine To improve commutation To reduce armature reaction None of the listed here To control the speed of machine To improve commutation ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving Cranes and hoists Machine tools None of the listed here Shear and punches Cranes and hoists Machine tools None of the listed here Shear and punches ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Starting the motor Accelerating the motor Avoiding excessive starting current Preventing fuse blowing Starting the motor Accelerating the motor Avoiding excessive starting current Preventing fuse blowing 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 None of these Regenerative Dynamic braking Plugging None of these Regenerative Dynamic braking Plugging ANSWER DOWNLOAD EXAMIANS APP