Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 18° 72° 36° 30° 18° 72° 36° 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commonly used starters of cage motor is both A and B. DOL. star delta. None of these both A and B. DOL. star delta. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 66.3% 57.7% 33.3% 50% 66.3% 57.7% 33.3% 50% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? All of these Synchronous machine DC machine Induction machine All of these Synchronous machine DC machine Induction machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for voltage build up in self excited generator? All of these Field winding should be properly connected to armature winding. Field winding resistance should be less than critical resistance. Poles should contain residual flux. All of these Field winding should be properly connected to armature winding. Field winding resistance should be less than critical resistance. Poles should contain residual flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be 36 W. 30 W. 25 W. 28 W. 36 W. 30 W. 25 W. 28 W. ANSWER DOWNLOAD EXAMIANS APP
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