Electrical Machines Addition of 0.3 % to 4.5 % silicon to iron increases the hysteresis loss. None of these increases the electrical resistivity of iron. reduces the saturation magnetization. increases the hysteresis loss. None of these increases the electrical resistivity of iron. reduces the saturation magnetization. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator has a critical field resistance of 300 Ω at a speed of 800 rpm if the speed is raised to 1000 rpm the critical field resistance is 375 Ω. 150 Ω. 145 Ω. 225 Ω. 375 Ω. 150 Ω. 145 Ω. 225 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 25° to 30° 70° to 85° 90° 0° 25° to 30° 70° to 85° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Series motor. Shunt motor. Cumulatively compound motor. Differently compared motor. Series motor. Shunt motor. Cumulatively compound motor. Differently compared motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field winding connection of DC shunt motor is changed It will run in same direction. motor will become slow. motor will not run. It will run in opposite direction. It will run in same direction. motor will become slow. motor will not run. It will run in opposite direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 2.57 %. 2.56 %. 3.76%. 4.76%. 2.57 %. 2.56 %. 3.76%. 4.76%. ANSWER DOWNLOAD EXAMIANS APP
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