Heat iranster Assignment T1332 Kead-Unly Compatibility Mode Review View Help Tell me what you want to do AaBbCcDd AaBbCcDd AaBbC AaBbCc AaBbC A 1 Normal No Spac.. Heading 1 Heading 2 Title Styles Paragraph Air, 20 °C T-100 °C_ D=5cm Superheated vapor 0.3 kg/s L 10 m Tin-Tout- 30 °C 6. Consider a 3-m x 3-m x 3-m cubical furnace whose top and side surfaces closely approximate black surfaces at a temperature of 1200 K. the base surface has an emissivity of ε-04,and is maintained at 800 K. Determine the net rate of radiation heat transfer to the base surface from the top and side surfaces.