Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Same as full load. Equal to 1. Low. High. Same as full load. Equal to 1. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Remain unchanged None of above. Decreases. Increases. Remain unchanged None of above. Decreases. Increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is low at rated load only both A and B low at heavy loads only low at light loads only low at rated load only both A and B low at heavy loads only low at light loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series generators are used in which of the following applications? Used as boosters in dc distribution or transmission. Arc welding. All of these Air crafts. Used as boosters in dc distribution or transmission. Arc welding. All of these Air crafts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following are variable losses? hysteresis loss armature copper loss eddy current loss shunt field copper loss hysteresis loss armature copper loss eddy current loss shunt field copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Thickness Frequency Flux density All of these Thickness Frequency Flux density All of these ANSWER DOWNLOAD EXAMIANS APP
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