Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is -1.92 0.08 1.92 -0.08 -1.92 0.08 1.92 -0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 399 V. 230.2 V. 100 V. 50 V. 399 V. 230.2 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct axis reactance is defined as 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 part an alternator winding consist of eight coils in series, each having an emf of 20 V rms induced in it. Coils are placed in successive slots and between each slot and the next, there is an electrical phase displacement of 30°. Find the emf of eight coils in series 56.91 V. 66.91 V. 76.91 V. 86.91 V. 56.91 V. 66.91 V. 76.91 V. 86.91 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Demagnetization effects which of the following? reduction in main field flux reduces the terminal voltage both B and C commutation reduction in main field flux reduces the terminal voltage both B and C commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Mica. Vacuum. Oil impregnated paper. Glass. Mica. Vacuum. Oil impregnated paper. Glass. ANSWER DOWNLOAD EXAMIANS APP