DC Motors These days dc motors are widely used in Pumping sets Electric traction Air compressors Machine shops Pumping sets Electric traction Air compressors Machine shops ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Has almost constant speed Has its field winding consisting of thick wire and less turns Has a poor torque Can be started easily without load Has almost constant speed Has its field winding consisting of thick wire and less turns Has a poor torque Can be started easily without load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Twice None of the listed here One-third Half Twice None of the listed here One-third Half ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Friction loss Core loss Windage loss Copper loss Friction loss Core loss Windage loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Efficient Suitable for getting speeds above the normal Economical Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal Economical Unsuitable for rapidly changing loads ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Load Field excitation Armature reaction None of the listed here Load Field excitation Armature reaction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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