Electrical Machines Which of the following induction motor has maximum speed? 8 pole. 6 pole. 4 pole. 2 pole. 8 pole. 6 pole. 4 pole. 2 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A load of 900 lbs is to be raised with a lift car weighting 855 lbs at a speed of 110 feet per minute, the over balance being 40 % and percentage efficiency 45 %. Find the horse power of the motor without counterweight 160. 170. 150. 180. 160. 170. 150. 180. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is split phase. shaded pole type. capacitor start. capacitor run. split phase. shaded pole type. capacitor start. capacitor run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Ke is eddy current constant, Kf is form factor, f is supply frequency, Bm maximum flux density in core of transformer, the expression of eddy current loss in transformer, is given by KefKf2Bm2. Kef2Kf2Bm. Kef2KfBm2. Kef2Kf2Bm2. KefKf2Bm2. Kef2Kf2Bm. Kef2KfBm2. Kef2Kf2Bm2. 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 cross-magnetization as well as demagnetization. cross-magnetisation. none of above. demagnetisation. cross-magnetization as well as demagnetization. cross-magnetisation. none of above. demagnetisation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 25 Hz. 60 Hz. 50 Hz. 16.67 Hz. 25 Hz. 60 Hz. 50 Hz. 16.67 Hz. ANSWER DOWNLOAD EXAMIANS APP
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