DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Regenerative None of these Dynamic braking Plugging Regenerative None of these Dynamic braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Armature resistance × armature current Flux per pole × armature current None of the listed here Armature resistance × applied voltage Armature resistance × armature current Flux per pole × armature current None of the listed here Armature resistance × applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at Full load Half full load No load None of the listed here Full load Half full load No load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Can be started easily without load Has a poor torque Has its field winding consisting of thick wire and less turns Has almost constant speed Can be started easily without load Has a poor torque Has its field winding consisting of thick wire and less turns Has almost constant speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Elevators Colliery winders Steel rolling mills Centrifugal pumps Elevators Colliery winders Steel rolling mills Centrifugal pumps ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Shunt motor Differentially compound motor Series motor Cummulative compound motor Shunt motor Differentially compound motor Series motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
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