Electrical Machines Which of the following relation is correct? None of these Xd < Xq. Xd > Xq. Xd = Xq. None of these Xd < Xq. Xd > Xq. Xd = Xq. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for voltage build up in self excited generator? Poles should contain residual flux. Field winding resistance should be less than critical resistance. All of these Field winding should be properly connected to armature winding. Poles should contain residual flux. Field winding resistance should be less than critical resistance. All of these Field winding should be properly connected to armature winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 100W 500W 1000W 3000W 100W 500W 1000W 3000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant current. torque. power. speed. current. torque. power. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly carbon. copper. cast iron. mica. carbon. copper. cast iron. mica. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For 250 volt DC Shunt Motor the armature and field resistance are 0.5 ohm and 250 ohm respectively. What will be the back e.m.f. produced when it takes a load current of 21A. 150 V. 220 V. 280 V. 240 V. 150 V. 220 V. 280 V. 240 V. ANSWER DOWNLOAD EXAMIANS APP
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