DC Motors A compensating winding is an auxiliary winding embedded in slots in Partly in pole faces, partly in armature The pole faces of main poles None of the listed here The armature Partly in pole faces, partly in armature The pole faces of main poles None of the listed here The armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Zero More than the normal speed Loss than the normal speed Normal speed Zero More than the normal speed Loss than the normal speed Normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current decreases When the field current increases When the armature current increases By interpoles When the armature current decreases When the field current increases When the armature current increases By interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque will remain constant Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Increase Decrease Remains same Become zero Increase Decrease Remains same Become zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Rated voltage Full load All of these Rated r.p.m. Rated voltage Full load All of these Rated r.p.m. ANSWER DOWNLOAD EXAMIANS APP