The radiation heat flux from a heating element at a temperature...

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The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is

A. 11.2 kW/m²

B. 12.0 kW/m²

C. 14.6 kW/m²

D. 16.5 kW/m²

Answer: Option D

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