Electrical Machines What are slot wedges in a DC machine made of? Cast iron. Silicon steel. Fibre. Mild steel. Cast iron. Silicon steel. Fibre. Mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC machine is made of silicon steel lamination to reduce hysteresis loss only. reduce both eddy current and hysteresis loss. reduce eddy current loss only. increase the permeability. reduce hysteresis loss only. reduce both eddy current and hysteresis loss. reduce eddy current loss only. increase the permeability. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The teeth in the armature of a DC machines are sometimes skewed. This is done to reduce hysteresis loss. vibrations. copper loss. eddy electric current loss. hysteresis loss. vibrations. copper loss. eddy electric current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Copper brushes in DC machine are used where high voltage and low current. where low voltage and high currents are involved. in both of above cases. None of these where high voltage and low current. where low voltage and high currents are involved. in both of above cases. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie under north pole. lie in the inter polar gaps. there is no hard and fast rule for this. lie under south pole. lie under north pole. lie in the inter polar gaps. there is no hard and fast rule for this. lie under south pole. ANSWER DOWNLOAD EXAMIANS APP
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