Electrical Machines Capacitor start capacitor run provides high power factor only. none. high staring torque only. high staring torque and high power factor. high power factor only. none. high staring torque only. high staring torque and high power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed remains constant. increased slightly. increase proportional. reduce slightly. remains constant. increased slightly. increase proportional. reduce slightly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at any of the above. leading power factor. unity power factor. lagging power factor. any of the above. leading power factor. unity power factor. lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following pairs is/are correct? semi closed slot-----leakage flux is moderate open slot----- leakage flux is less closed slot----- leakage flux is high All of these semi closed slot-----leakage flux is moderate open slot----- leakage flux is less closed slot----- leakage flux is high All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 30. 270. 180. 45. 30. 270. 180. 45. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 5 KVA transformer has a turns ratio of N1/N2 = 10. The impedance of primary winding is 3+j5 ohms while that of secondary winding is 0.5+j0.8 ohms. The impedance of transformer when referred to primary will be 53+j85 ohms 8+j13 ohms 3.05+j5.08 ohms 3.5+j5.8 ohms 53+j85 ohms 8+j13 ohms 3.05+j5.08 ohms 3.5+j5.8 ohms ANSWER DOWNLOAD EXAMIANS APP
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