DC Motors Which one of the following is not the function of pole shoes in a D.C. machine? To support the field coils To spread out flux for better uniformity To reduce eddy current loss To reduce the reluctance of the magnetic path To support the field coils To spread out flux for better uniformity To reduce eddy current loss To reduce the reluctance of the magnetic path ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Plugging Regenerative braking None of the listed here Rheostatic braking Plugging Regenerative braking None of the listed here Rheostatic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 5 HP Upto 15 HP Upto 10 HP Upto 20 HP Upto 5 HP Upto 15 HP Upto 10 HP Upto 20 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Accelerating the motor Preventing fuse blowing Avoiding excessive starting current Starting the motor Accelerating the motor Preventing fuse blowing Avoiding excessive starting current Starting the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is inversely proportional to applied voltage inversely proportional to flux per pole None of the listed here Directly proportional to flux per pole inversely proportional to applied voltage inversely proportional to flux per pole None of the listed here Directly proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Series motor only Shunt motor only Both shunt and compound motor Compound motor only Series motor only Shunt motor only Both shunt and compound motor Compound motor only ANSWER DOWNLOAD EXAMIANS APP
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