Heat is transferred from a hot fluid to a cold one through a plane wall of thickness (δ), surface area (A) and thermal conductivity (k). The thermal resistance is

and thermal conductivity (k). The thermal resistance isa) 1/A (1/h1 + δ/k + 1/h2)

Heat is transferred from a hot fluid to a cold one through a plane wa

1.	Heat is transferred from a hot fluid to a cold one through a plane wall of thickness (δ), surface area (A) and thermal conductivity (k). The thermal resistance is
A.	and thermal conductivity (k). The thermal resistance isa) 1/A (1/h1 + δ/k + 1/h2)
B.	A (1/h1 + δ/k + 1/h2)
C.	1/A (h1 + δ/k + h2)
D.	A (h1 + δ/k + 1/h2)
Answer» B. A (1/h1 + δ/k + 1/h2)

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Heat is transferred from a hot fluid to a cold one through a plane wall of thickness (δ), surface area (A) and thermal conductivity (k). The thermal resistance is

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