Choose the correct ansiner (\$) mark each) 1) The unit of heat flux is: a. W/s b. J/sm2 c. J/s.m3 d. I/s 2). In heat transfer equation by conduction, temperature gradient is always negative a. True b. False 3) In Newton's Law of Cooling, the heat transfer rate is directly proportional to the area normal to heat flow a. True b. False 4) Thermal diffusivity depends on a. Thermal Conductivity b. Specific Heat Capacity c. Density d. All of the above 5) "Specific Heat Capacity" unit is a. t/kgC b. IFC c. "CH d. tm7aC