Formula for rate of heat transfer through plane wall - Heat Transfer

Q.  What is the correct formula for the rate of heat transfer (q) through a plane wall of thickness l and surface are A, when  temperature difference between two surfaces is ΔT ? The thermal conductivity is k.
- Published on 11 Aug 15

a. q = (k A ΔT) / l
b. q = k A l ΔT
c. q = (ΔT) / (k A l)
d. none of the above

ANSWER: q = (k A ΔT) / l

Related Content

➨ Post your comment / Share knowledge


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)
▲