Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lead 0.9 lag 0.2 lag unity 0.2 lead 0.9 lag 0.2 lag unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies along field axis. along neutral axis. in any of above positions. in none of above positions. along field axis. along neutral axis. in any of above positions. in none of above positions. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 36. 80. 50. 18. 36. 80. 50. 18. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. none of these. salient. cylindrical. non uniform cylindrical. none of these. salient. cylindrical. non uniform cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dissolve gas analysis of transformer oil is carried out to determine condition of bushing stud. condition of transformer. condition of bushings. condition of transformer oil. condition of bushing stud. condition of transformer. condition of bushings. condition of transformer oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 8 pole. 2 pole. 4 pole. 6 pole. 8 pole. 2 pole. 4 pole. 6 pole. ANSWER DOWNLOAD EXAMIANS APP
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