Question: A horizontal electric heater 2.5 cm in diameter is submerged in a light-oil bath at 93oC. The heater surface temperature is maintained at 150oC. Calculate

A horizontal electric heater 2.5 cm in diameter is submerged in a light-oil bath at 93oC. The heater surface temperature is maintained at 150oC. Calculate the heat lost per meter of length of the heater.

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