Q. Nusselt number is the ratio of the A. temperature gradient of the wall to that across the entire pipe B. temperature difference to the temperature gradient at the wall C. heat flux at the wall to that across the entire pipe D. none of these Answer & Explanation Answer : Option: C Discuss below! No Explanation Available for This Question. Similar Questions
Q. If heat transfer rate varies with the time, it is termed as A. forced convection B. steady state conduction C. monochromatic radiation D. none of these Answer & Explanation