Heat Transfer Questions

Q.  Consider a plane wall of area A, having a layer of insulation on it. What will happen to the thermal resistance for convection of wall if the thickness of the insulation is increased?

a. the thermal resistance for convection increases with increase in thickness of insulation
b. the thermal resistance for convection decreases with increase in thickness of insulation
c. the thermal resistance for convection remains same with increase in thickness of insulation
d. unpredictable


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