DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. None of the listed here Twice Half One-third None of the listed here Twice Half One-third ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load is constant Where constant operating speed is needed None of these Where load changes frequently Where load is constant Where constant operating speed is needed None of these Where load changes frequently ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing All of the listed here Aplied voltage Armature circuit resistance Is flux All of the listed here Aplied voltage Armature circuit resistance Is flux ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Pump Punch presses Cranes Lathes Pump Punch presses Cranes Lathes ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Either series or shunt Shunt motor None of the listed here Series motor Either series or shunt Shunt motor None of the listed here Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 6 mm 10 mm 2 mm 0.4 mm 6 mm 10 mm 2 mm 0.4 mm ANSWER DOWNLOAD EXAMIANS APP