DC Motors No load speed of which of the following motor will be highest? Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to armature current only both (A) and (B) field flux only None of these armature current only both (A) and (B) field flux only None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Series motor Shunt motor Differentially compound motor Cummulative compound motor Series motor Shunt motor Differentially compound motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Rheostatic braking Plugging None of the listed here Regenerative braking Rheostatic braking Plugging None of the listed here Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because It limits the speed of the motor It limits the starting current to a safe value It starts the motor None of the listed here It limits the speed of the motor It limits the starting current to a safe value It starts the motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is High initial cost All of these High maintenance cost Low efficiency at high loads High initial cost All of these High maintenance cost Low efficiency at high loads ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS