Allied & ICAR Exam Bank • ALLIED_0731 NAT • 2 Marks

Section 7: Dairy and Food Engineering

Refrigeration and Freezing

Subtopic: Refrigeration and Freezing

Question Statement:

For an infinite food slab of thickness $a$ freezing symmetrically from both sides, Plank's shape factors are $P = 1/2 = 0.5$ and $R = 1/8 = 0.125$. The ratio $P / R = 0.5 / 0.125$ is:

Answer Key:

4

Step-by-Step Solution & Explanation

$P / R = 0.5 / 0.125 = 4.0$.
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