DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Plugging Dynamic braking None of these Regenerative Plugging Dynamic braking None of these Regenerative ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Series motor Shunt motor Cumulative compound motor Differentially compound motor Series motor Shunt motor Cumulative compound motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque will remain constant Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Battery operated motor Air motor Shunt motor Series motor Battery operated motor Air motor Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which method of braking is generally used in elevators? Rheostat braking None of these Regenerative braking Plugging Rheostat braking None of these Regenerative braking Plugging ANSWER DOWNLOAD EXAMIANS APP