DC Motors The direction of rotation of a D.C. series motor can be changed by Interchanging field terminals None of these Either of (A) and (B) above Interchanging supply terminals Interchanging field terminals None of these Either of (A) and (B) above Interchanging supply terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will increase abruptly The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will reduce The speed will increase abruptly The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will reduce ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 6 poles 2 poles 8 poles 4 poles 6 poles 2 poles 8 poles 4 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed None of the listed here On armature On yoke in the pole faces On yoke in the interpolar gap None of the listed here On armature On yoke in the pole faces On yoke in the interpolar gap ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will stop The motor will continue to run The motor will run noisy The armature may burn The motor will stop The motor will continue to run The motor will run noisy The armature may burn ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? None of the listed here Series motor Either series or shunt Shunt motor None of the listed here Series motor Either series or shunt Shunt motor ANSWER DOWNLOAD EXAMIANS APP