Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 66.3% 50% 33.3% 57.7% 66.3% 50% 33.3% 57.7% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on X-axis and armature current on Y-axis field current on Y-axis and armature current on X-axis field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on X-axis and armature current on Y-axis field current on Y-axis and armature current on X-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 2 ohm. 0.2 ohm 10 ohm 100 ohm 2 ohm. 0.2 ohm 10 ohm 100 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque developed in the rotor is inversely proportional to slip not dependent on the slip directly proportional to slip either of these inversely proportional to slip not dependent on the slip directly proportional to slip either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Use of fractional pitch winding make it stiffer. results in reduced axial length of the machine. results in reduced leakage reactance. All of these make it stiffer. results in reduced axial length of the machine. results in reduced leakage reactance. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would increase. decrease. not change. None of above. increase. decrease. not change. None of above. ANSWER DOWNLOAD EXAMIANS APP
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