Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then the machine will share load equally. the machine with more drooping characteristic will supply less load. the machine with more drooping characteristic will supply more load. None of these the machine will share load equally. the machine with more drooping characteristic will supply less load. the machine with more drooping characteristic will supply more load. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of residual magnetism. None of these permanent magnets. armature reaction. residual magnetism. None of these permanent magnets. armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a 3 - phase fault. line to ground fault. 3 - phase to ground fault. line to line fault. 3 - phase fault. line to ground fault. 3 - phase to ground fault. line to line fault. 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 340 A. 250 A. 570 A. 440 A. 340 A. 250 A. 570 A. 440 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for convert ac armature current in to dc reduce eddy current loss collecting of current without any sparkings collecting of voltage convert ac armature current in to dc reduce eddy current loss collecting of current without any sparkings collecting of voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Capacitor run Capacitor start Resistance split phase Shaded pole Capacitor run Capacitor start Resistance split phase Shaded pole ANSWER DOWNLOAD EXAMIANS APP