DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Cumulative compound motor Differentially compound motor Shunt motor Series motor Cumulative compound motor Differentially compound motor Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Full load All of these Rated r.p.m. Rated voltage Full load All of these Rated r.p.m. Rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current Increases Decreases Remains same None of the listed here Increases Decreases Remains same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Copper loss Friction loss Core loss Windage loss Copper loss Friction loss Core loss Windage loss 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 The commutating winding is basically used in a dc machine To control the speed of machine To reduce armature reaction To improve commutation None of the listed here To control the speed of machine To reduce armature reaction To improve commutation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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