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Transformer cooling and insulating oil must be of
low viscosity
high viscosity
low BDV
low resistivity
low viscosity
Quick Summary: Practice and solve "Transformer cooling and insulating oil must be of..." for Electrical - Machine. The correct answer is Option A: low viscosity. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(a) **