Electrical Machines Larger values of air flux density is taken while designing IM for both. none. larger output. larger bore diameter. both. none. larger output. larger bore diameter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit in a transformer is prefered with rated transformer voltage rated transformer current direct current high frequency supply rated transformer voltage rated transformer current direct current high frequency supply ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has almost constant speed over their full load range? Compound (cummolative). Shunt. none of these. Series. Compound (cummolative). Shunt. none of these. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 45 ppm. 35 ppm. 25 ppm. 20 ppm. 45 ppm. 35 ppm. 25 ppm. 20 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately excited DC motor has an armature resistance of 0.5 Ohm. The supply voltage is 250V. Armature current is 20A and the speed of rotation is 1500 rpm. Find the torque developed? 16.55 Nm 15.28 Nm Zero 15.6 Nm 16.55 Nm 15.28 Nm Zero 15.6 Nm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging and crawling are phenomena associated with any of the above. the former at a fraction of its rate speed and the latter during starting. cage induction machines and they are essentially the same. the former during starting and the latter at a fraction of its rated speed. any of the above. the former at a fraction of its rate speed and the latter during starting. cage induction machines and they are essentially the same. the former during starting and the latter at a fraction of its rated speed. ANSWER DOWNLOAD EXAMIANS APP
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