Allied & ICAR Exam Bank • ALLIED_0721 NAT • 2 Marks

Section 7: Dairy and Food Engineering

Thermal Processing and Kinetics

Subtopic: Thermal Processing and Kinetics

Question Statement:

A microbial spore has $D_{121} = 2.303\text{ min}$. The first-order death rate constant $k$ in $\text{min}^{-1}$ is:

Answer Key:

1.0

Step-by-Step Solution & Explanation

$k = 2.303 / 2.303 = 1.0\text{ min}^{-1}$.
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