Discussion Forum

Que. Consider the following parameters
(i) Composition
(ii) Density
(iii) Porosity
(iv) Structure
Then, thermal conductivity of glass wool varies from sample to sample because of variation is
a. 1 and 2
b. 1, 2, 3 and 4
c. 1 and 3
d. 1, 2 and 3
Correct Answer:1, 2, 3 and 4
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