Home » Heat-Transfer » Heat Transfer Miscellaneous » Question

Heat Transfer Miscellaneous

Easy Questions
Moderate Questions
Difficult Questions

Heat-Transfer

Heat Transfer Miscellaneous
  1. Heat flows through a composite slab, as shown below. The depth of the slab is 1 m. The k values are in W/mK. The overall thermal resistance in K/W is
    1. 17.2
    2. 21.9
    3. 28.6
    4. 39.2
Correct Option: C

L1
=
0.5
= 25
k10.02

2L2
= 5
k2

2L3
= 12.5
k3

Rtotal = 25 + 3.6 = 28.6 K/W


Your comments will be displayed only after manual approval.