Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 1 (Q.No. 21)
21.
Hot water (0.01 m3 /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m3/min) of density 800 kg/m3 and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately
32
37
45
50
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
36 comments Page 4 of 4.

Temidayo Gideon said:   6 years ago
Here, 37 is the correct answer.
(1)

Sanket said:   1 decade ago
LMTD is 36.73 = 37 (approx).

Nilesh said:   9 years ago
37 is the correct answer.

Tekena said:   7 years ago
The answer is 38.22~ 38.

Hariom said:   7 years ago
Yes, 37 is the answer.

Hiten said:   9 years ago
31.82~32.

Ans is 32.


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