Allied & ICAR Exam Bank • ALLIED_0692 NAT • 2 Marks

Section 7: Dairy and Food Engineering

Heat and Mass Transfer in Food Processing

Subtopic: Heat and Mass Transfer in Food Processing

Question Statement:

A plate heat exchanger transfers heat at rate $Q = 100\text{ kW}$. Overall heat transfer coefficient is $U = 2.0\text{ kW/(m}^2\cdot\text{K)}$ and LMTD is $\Delta T_{lm} = 10^\circ\text{C}$. The required plate heat transfer surface area in $\text{m}^2$ is:

Answer Key:

5

Step-by-Step Solution & Explanation

$A = \frac{100}{2.0 \times 10} = \frac{100}{20} = 5.0\text{ m}^2$.
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