An ice chest (see sketch) is to be constructed from Styrofoam [k = 0.033 W/(m K)]. If

Question:

An ice chest (see sketch) is to be constructed from Styrofoam [k = 0.033 W/(m K)]. If the wall of the chest is 5 cm thick, calculate its R-value in (hr ft2 ?F)/(Btu in).GIVENIce chest constructed of Styrofoam, k = 0.0333 W/(m K)Wall thickness 5 cmASSUMPTIONS(a) One-dimensional, steadyconduction