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Heat Transfer - Engineering

Q1:

Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.)

A x/KA

B KA/x

C K/Ax

D A/Kx

ANS:B - KA/x

Conductance (C) is given by: xK⋅A​ So, the correct expression is K⋅A/x.