Change in convection resistance of wall wrt thickness of insulation- Heat Transfer

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?
- Published on 12 Aug 15

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

ANSWER: the thermal resistance for convection remains same with increase in thickness of insulation

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