Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f² V V² f f² V V² f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of less than 90o. Greater than 90o. 0o. 90o. less than 90o. Greater than 90o. 0o. 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the highest possible speed of turbo alternators? 1000 rpm 3000 rpm 1500 rpm 4000 rpm 1000 rpm 3000 rpm 1500 rpm 4000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f³ f1.6 f f² f³ f1.6 f f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce eddy current loss. both 1 and 2. hysteresis loss. copper loss. eddy current loss. both 1 and 2. hysteresis loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at leading power factor. any of the above. lagging power factor. unity power factor. leading power factor. any of the above. lagging power factor. unity power factor. ANSWER DOWNLOAD EXAMIANS APP
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