Electrical Machines Which of the following motor has the highest power factor at full load? Capacitor start Capacitor run Shaded pole Resistance split phase Capacitor start Capacitor run Shaded pole Resistance split phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC series motor operating at rated speed, the speed of the motor will Increase. Oscillate around the normal speed. Remain unaltered. Reduce. Increase. Oscillate around the normal speed. Remain unaltered. Reduce. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For pure resistive load what is the armature reaction? cross magnetization magnetization demagnetization All of these cross magnetization magnetization demagnetization All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? Copper loss core loss only both 1 and 2 windage and friction loss Copper loss core loss only both 1 and 2 windage and friction loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through slip rings. none of above. commutator. solid connection. slip rings. none of above. commutator. solid connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for generation of voltage development of torque electromechanical energy conversion commutation generation of voltage development of torque electromechanical energy conversion commutation ANSWER DOWNLOAD EXAMIANS APP
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