Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC series motor. DC shunt generator. DC series generator. DC shunt motor. DC series motor. DC shunt generator. DC series generator. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in paper insulation in transformers. winding conductors and steel structures of transformer. transformer insulating oil. steel core. paper insulation in transformers. winding conductors and steel structures of transformer. transformer insulating oil. steel core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 570 A. 250 A. 340 A. 460 A. 570 A. 250 A. 340 A. 460 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant speed. current. power. torque. speed. current. power. torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating magnetic field is produced in an induction motor because of either stator winding or rotor winding. rotor winding. None of these stator winding. either stator winding or rotor winding. rotor winding. None of these stator winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under trailing pole tip. pole core. under the interpole. under leading pole tip. under trailing pole tip. pole core. under the interpole. under leading pole tip. ANSWER DOWNLOAD EXAMIANS APP