DC Motors Which motor has the poorest speed control? Series motor Cummulative compounded motor Differentially compounded motor Shunt motor Series motor Cummulative compounded motor Differentially compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will run noisy The motor will stop The armature may burn The motor will continue to run The motor will run noisy The motor will stop The armature may burn The motor will continue to run ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Full-load current Starting torque Operating speed All of these Full-load current Starting torque Operating speed All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Core loss Copper loss Windage loss Friction loss Core loss Copper loss Windage loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? C. series motor Induction motor C. shunt motor Reluctance motor C. series motor Induction motor C. shunt motor Reluctance motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Avoiding excessive starting current Preventing fuse blowing Accelerating the motor Starting the motor Avoiding excessive starting current Preventing fuse blowing Accelerating the motor Starting the motor ANSWER DOWNLOAD EXAMIANS APP