Electrical Machines Which of the following DC Motor requires 3 point starter? Shunt, compound and series motor. Shunt motor as well as compound motors. Shunt motor. Series motor. Shunt, compound and series motor. Shunt motor as well as compound motors. Shunt motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Induction motor. Synchronous motor. DC motor. Both A and C. Induction motor. Synchronous motor. DC motor. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a short circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current is I1. If the test is performed by 25 V and 25 Hz and power drawn current is I2, then I1 = I2 I1 < I2 None of these I1 > I2 I1 = I2 I1 < I2 None of these I1 > I2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. both A and B none of above shunt field armature circuit both A and B none of above shunt field armature circuit ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors. Calculate the back emf produced when it is running at a speed of 1500 rpm. 240 volt. 440 volt. 230 volt. 220 volt. 240 volt. 440 volt. 230 volt. 220 volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to provide protection against Low-Voltage. limit the starting current to a safer value. all of above. provide overload protection. provide protection against Low-Voltage. limit the starting current to a safer value. all of above. provide overload protection. ANSWER DOWNLOAD EXAMIANS APP
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