Allied & ICAR Exam Bank • ALLIED_0690 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 food liquid has specific heat $c_p = 4000\text{ J/(kg}\cdot\text{K)}$, dynamic viscosity $\mu = 0.002\text{ Pa}\cdot\text{s}$, and thermal conductivity $k = 0.5\text{ W/(m}\cdot\text{K)}$. The Prandtl number ($Pr$) is:

Answer Key:

16

Step-by-Step Solution & Explanation

$Pr = \frac{8.0}{0.5} = 16.0$.
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