Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. semi closed or semi opened. none. always closed. always opened. semi closed or semi opened. none. always closed. always opened. 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. 230 volt. 440 volt. 220 volt. 240 volt. 230 volt. 440 volt. 220 volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of copper loss eddy current loss total iron losses hysteresis loss copper loss eddy current loss total iron losses hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of simple in construction. less maintenance. less cost. all of below. simple in construction. less maintenance. less cost. all of below. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will not changed decrease increase None of these not changed decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation of transformer is given by (V2 - E2) / E2 (V2 - E2) / V2 (E2 - V2) / E2 (E2 - V2) / V2 (V2 - E2) / E2 (V2 - E2) / V2 (E2 - V2) / E2 (E2 - V2) / V2 ANSWER DOWNLOAD EXAMIANS APP
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