Transformers Set 2

supply frequency ✘ load current ✘ power factor of load ✘ both (B) and (C) ✔

copper loss ✘ magnetising current ✘ magnetising current and loss ✘ efficiency of the transformer ✔

lkV ✘ 33 kV ✘ 100 kV ✘ 330 kV ✔

sludge ✘ odour ✘ gases ✘ moisture ✔

friction and windage losses ✘ magnetic losses ✘ hysteresis and eddy current losses ✘ copper losses ✔

Hysteresis losses are reduced ✘ Saving in winding material ✘ Copper losses are negligible ✘ Eddy losses are totally eliminated ✔

is always a low voltage winding ✘ is always a high voltage winding ✘ could either be a low voltage or high voltage winding ✘ none of the above ✔

capacitive only ✘ inductive only ✘ inductive or resistive ✘ none of the above ✔

Air motor ✘ Induction motor ✘ Shunt motor ✘ Synchronous motor ✔

Circular type ✘ Sandwich type ✘ Cylindrical type ✘ Rectangular type ✔