DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Low cost High starting torque Wide speed range Stability Low cost High starting torque Wide speed range Stability ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Both shunt and compound motor Series motor only Shunt motor only Compound motor only Both shunt and compound motor Series motor only Shunt motor only Compound motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Half One-third Twice None of the listed here Half One-third Twice None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Differentially compounded motor Shunt motor Series motor Cummulative compounded motor Differentially compounded motor Shunt motor Series motor Cummulative compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thermistor Transistor Thyristor Thyratron Thermistor Transistor Thyristor Thyratron ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor has got maximum self loading property? Differentially compounded motor Cumulatively compounded motor Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP