Allied & ICAR Exam Bank • ALLIED_0719 NAT • 2 Marks

Section 7: Dairy and Food Engineering

Thermal Processing and Kinetics

Subtopic: Thermal Processing and Kinetics

Question Statement:

A sterilization process operates at $T = 121.1^\circ\text{C}$ ($L = 1.0$) for $8.0\text{ minutes}$. Total accumulated $F_0$ is $8.0\text{ minutes}$. If the target organism has $D_{121.1} = 1.6\text{ min}$, the number of decimal log reductions achieved is $F_0 / D = 8.0 / 1.6$, which equals:

Answer Key:

5

Step-by-Step Solution & Explanation

Log reductions $= 8.0 / 1.6 = 5.0$.
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