Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 1 V 0 V 2 V 4 V 1 V 0 V 2 V 4 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is paper mills. jaw crushers. lifts and hoists. blowers. paper mills. jaw crushers. lifts and hoists. blowers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 15.30%. 16.67%. 14.28%. 18.25%. 15.30%. 16.67%. 14.28%. 18.25%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase any of the two machines machine B machine A none of these any of the two machines machine B machine A none of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will not change. slightly decrease. None of these slightly increase. not change. slightly decrease. None of these slightly increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f² f1.6 f f³ f² f1.6 f f³ ANSWER DOWNLOAD EXAMIANS APP