Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to V2 f2 V f V2 f2 V f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve quick acceleration. reduced size. low starting torque. high efficiency. quick acceleration. reduced size. low starting torque. high efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1 Ω. If the full load current is 20 A, the difference of induced voltage between generator and motor is 60 V. 20 V. 0 V. 40 V. 60 V. 20 V. 0 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Closed slots. Open slots. Semi closed slots. None of above. Closed slots. Open slots. Semi closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load None of these decreases increases remains unaffected None of these decreases increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. The frequency is 50Hz. The slip of the motor is 25% 2% 5% 4% 25% 2% 5% 4% ANSWER DOWNLOAD EXAMIANS APP
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