DC Motors In the dc motor the iron losses occur in Armature Brushes Field Commutator Armature Brushes Field Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Has almost constant speed Has a poor torque Has its field winding consisting of thick wire and less turns Can be started easily without load Has almost constant speed Has a poor torque Has its field winding consisting of thick wire and less turns Can be started easily without load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Armature reaction Field excitation None of the listed here Load Armature reaction Field excitation None of the listed here Load ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Eddy current losses Windage losses Hysteresis losses Copper losses Eddy current losses Windage losses Hysteresis losses Copper losses 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. One-third Half Twice None of the listed here One-third Half Twice None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will increase in proportion to reduction in load The speed will remain almost/constant The speed will reduce The speed will increase abruptly The speed will increase in proportion to reduction in load The speed will remain almost/constant The speed will reduce The speed will increase abruptly ANSWER DOWNLOAD EXAMIANS APP
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