Q 56. Heat flows through a composite slab, as shown below. The depth of the slab is 1m. The k values are in W/m.K. The overall thermal resistance in K/W is
(A) 17.2
(B) 21.9
(C) 28.6
(D) 39.2
Answer: (C)
Explanation:
Q 56. Heat flows through a composite slab, as shown below. The depth of the slab is 1m. The k values are in W/m.K. The overall thermal resistance in K/W is
(A) 17.2
(B) 21.9
(C) 28.6
(D) 39.2
Answer: (C)
Explanation: