DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Low cost Wide speed range High starting torque Stability Low cost Wide speed range High starting torque Stability ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 4 poles 8 poles 6 poles 2 poles 4 poles 8 poles 6 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Has a poor torque Can be started easily without load Has its field winding consisting of thick wire and less turns Has almost constant speed Has a poor torque Can be started easily without load Has its field winding consisting of thick wire and less turns Has almost constant speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Flux per pole × armature current Armature resistance × armature current Armature resistance × applied voltage None of the listed here Flux per pole × armature current Armature resistance × armature current Armature resistance × applied voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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