Electrical Machines which of the following losses are negligible in blocked rotor test? copper loss iron loss both A and B mechanical loss copper loss iron loss both A and B mechanical loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 9/16. 3/4. 16/9. 4/3. 9/16. 3/4. 16/9. 4/3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would increase. not change. decrease. None of above. increase. not change. decrease. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 32. 8. 16. 4. 32. 8. 16. 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reluctance and hysteresis motors are the types of which electrical motor? Stepper motor. 3 - Φ induction motor. DC motor. 1 - Φ synchronous motor. Stepper motor. 3 - Φ induction motor. DC motor. 1 - Φ synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 1.5 %. 5 %. 30 %. 2.67 %. 1.5 %. 5 %. 30 %. 2.67 %. ANSWER DOWNLOAD EXAMIANS APP
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