Electrical Machines The armature core of a DC machine is laminated to minimise eddy-current loss mechanical loss temperature rise hysteresis loss eddy-current loss mechanical loss temperature rise hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Demagnetization effects which of the following? reduction in main field flux reduces the terminal voltage both B and C commutation reduction in main field flux reduces the terminal voltage both B and C commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along direct axis and interpolar axis quadrature axis and interpolar axis direct axis and indirect axis quadrature axis and direct axis direct axis and interpolar axis quadrature axis and interpolar axis direct axis and indirect axis quadrature axis and direct axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer which of the following losses are zero? All of these Copper loss Rotational loss Iron loss All of these Copper loss Rotational loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 4KVA 16KVA 20KVA 0KVA 4KVA 16KVA 20KVA 0KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly increase. None of these slightly decrease. not change. slightly increase. None of these slightly decrease. not change. ANSWER DOWNLOAD EXAMIANS APP
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