Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of transformer with secondary short circuited. synchronous motor. repulsion start induction motor. capacitor start induction motor. transformer with secondary short circuited. synchronous motor. repulsion start induction motor. capacitor start induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using delta connection. zig - zag connection. star connection. V connection. delta connection. zig - zag connection. star connection. V connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 60 V. 0 V. 40 V. 20 V. 60 V. 0 V. 40 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for lap-winding ? PZL/4S PZL/4SP² PZL/4Sa² PZL/ 4Sa PZL/4S PZL/4SP² PZL/4Sa² PZL/ 4Sa ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Capacitor start Capacitor run Resistance split phase Shaded pole Capacitor start Capacitor run Resistance split phase Shaded pole ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of insulating material. non-ferrous material. conducting material. silicon steel. insulating material. non-ferrous material. conducting material. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
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