DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Commutator Frame Stator Shaft Commutator Frame Stator Shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Starting the motor Accelerating the motor Preventing fuse blowing Avoiding excessive starting current Starting the motor Accelerating the motor Preventing fuse blowing Avoiding excessive starting current ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Series motor Cummulative compound motor Differentially compound motor Shunt motor Series motor Cummulative compound motor Differentially compound motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive motor vibration is caused by Open armature coil Bent shaft Worn bearings Too much brush tension Open armature coil Bent shaft Worn bearings Too much brush tension ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Field excitation None of the listed here Load Armature reaction Field excitation None of the listed here Load Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor, the brushes are shifted from the mechanical neutral plane in a direction opposite to the rotation to _____ Decrease speed Reduce sparking Produce flat characteristics Increase speed Decrease speed Reduce sparking Produce flat characteristics Increase speed ANSWER DOWNLOAD EXAMIANS APP
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