Question: Modified from 9 . 2 8 An electrical heater in the form of a horizontal disk of 2 5 0 - mm diameter is used

Modified from 9.28
An electrical heater in the form of a horizontal disk of 250-mm diameter is used to heat the bottom of a tank filled with engine oil at a temperature of 10C. Calculate the power required to maintain the heater surface temperature at 65C.
Modified from 9 . 2 8 An electrical heater in the

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