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