Agricultural Engineering > GATE 2013 > Insulation
A cold storage chamber is constructed with 10 mm mortar, 200 mm brick, 100 mm insulation and 5 mm wood-board having thermal conductivities of 0.8, 1.5, 0.025 and 0.2 W m^{-1} K^{-1}, respectively. The resistance of 4 K m^2 W^{-1} is offered by
A
mortar
B
brick
C
insulation
D
wood-board

Correct : c

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