In an oil filled transformer, the application of oil is for All Questions › Category: Electrical Machines › In an oil filled transformer, the application of oil is for 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) Coolingb) Insulationc) Both cooling and insulationd) Preventing the accumulation of dust 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is Both cooling and insulation