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 In a resistance split phase motor, what is the range of torque angle? 70° to 85° 25° to 30° 0° 90° 70° to 85° 25° to 30° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is Greater than 1. near to 1. 0.5. 0.25. Greater than 1. near to 1. 0.5. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalanced supply voltage given to a 3 - φ, delta connected induction motor will cause less heating of the rotor. less heating of the rotor. negative sequence current. all of these. less heating of the rotor. less heating of the rotor. negative sequence current. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, the angle between the stator and rotor fields is dependent upon the load. 0o. 90o. 180o. dependent upon the load. 0o. 90o. 180o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 600 A. 1200 A. 2400 A. 3600 A. 600 A. 1200 A. 2400 A. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
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