DC Motors Which of the following can be used for controlling the speed of a dc motor? Thyristor Transistor Thermistor Thyratron Thyristor Transistor Thermistor Thyratron ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Regenerative braking Rheostatic braking Plugging None of the listed here Regenerative braking Rheostatic braking Plugging None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Series motor Either series or shunt None of the listed here Shunt motor Series motor Either series or shunt None of the listed here Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Yoke Size of conductor Winding Commutator Yoke Size of conductor Winding Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be 80 to 90 % 60 to 70 % Less than 50% 100 % 80 to 90 % 60 to 70 % Less than 50% 100 % ANSWER DOWNLOAD EXAMIANS APP