Electrical Machines Quadrature axis synchronous reactance is the ratio of Vmax to Imin. Vmin to Imax. Vmax to Imax. Vmin to Imin. Vmax to Imin. Vmin to Imax. Vmax to Imax. Vmin to Imin. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 168.75 W 112.5 W 75 W 50 W 168.75 W 112.5 W 75 W 50 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to 75°. 0°. 45°. 30°. 75°. 0°. 45°. 30°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in dc machine provide ----------------- rectification? half wave controlled full wave controlled half wave full wave half wave controlled full wave controlled half wave full wave ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be none of above. cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. none of above. cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the number of rotor slots is equal to number of stator slots, then motor refuses to start. Hence it is known as air gap. cogging. relative speed. crawling. air gap. cogging. relative speed. crawling. ANSWER DOWNLOAD EXAMIANS APP
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