Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed? 1500. 1450. 1440. 1435. 1500. 1450. 1440. 1435. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is capacitor run. capacitor start. split phase. shaded pole type. capacitor run. capacitor start. split phase. shaded pole type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is done in speed control of DC motor by field flux control? Inserting an additional resistance in the armature circuit. Any of above. Inserting resistance to armature circuit and field circuit. Inserting an additional resistance in the field circuit. Inserting an additional resistance in the armature circuit. Any of above. Inserting resistance to armature circuit and field circuit. Inserting an additional resistance in the field circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tappings of a transformer are provided at the neutral side end of hv side at the phase end of hv side at the phase end of lv side at the middle of hv side at the neutral side end of hv side at the phase end of hv side at the phase end of lv side at the middle of hv side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? both 2 and 3 reduces the terminal voltage commutation reduction in main field flux both 2 and 3 reduces the terminal voltage commutation reduction in main field flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Shaded pole motor. Stepper motor. Hysteresis motor. Reluctance motor. Shaded pole motor. Stepper motor. Hysteresis motor. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS