Electrical Machines Open circuit test on transformer gives copper loss both 1and 2 hysteresis loss eddy current loss copper loss both 1and 2 hysteresis loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to V. 1 / V2. V2. 1 / V. V. 1 / V2. V2. 1 / V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: pole core. under trailing pole tip. under the interpole. under leading pole tip. pole core. under trailing pole tip. under the interpole. under leading pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does happen if tripled harmonics given to induction motor? Will results in short circuit. Nothing will happen. Fail to start. Will results in open circuit. Will results in short circuit. Nothing will happen. Fail to start. Will results in open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 440 A. 340 A. 570 A. 250 A. 440 A. 340 A. 570 A. 250 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Copper brushes in DC machine are used None of these where low voltage and high currents are involved. in both of above cases. where high voltage and low current. None of these where low voltage and high currents are involved. in both of above cases. where high voltage and low current. ANSWER DOWNLOAD EXAMIANS APP