Electrical Machines Which of the following induction motor has maximum speed? 6 pole. 8 pole. 4 pole. 2 pole. 6 pole. 8 pole. 4 pole. 2 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 201.02 V. 212 V. 210 V. 205 V. 201.02 V. 212 V. 210 V. 205 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. shunt. over compounded. differential compounded. under-compounded. shunt. over compounded. differential compounded. under-compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output voltage of a DC generator is E = V + Ia. E = V – IaRa. E = V + Ra. E = V + IaRa. E = V + Ia. E = V – IaRa. E = V + Ra. E = V + IaRa. 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 2% 25% 4% 5% 2% 25% 4% 5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of total iron losses copper loss hysteresis loss eddy current loss total iron losses copper loss hysteresis loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP