Question Bank • QB_DFE_EXP_093 NAT • 2 Marks

Section 7: Dairy and Food Engineering

Unit Operations in Dairy and Food Engineering

Subtopic: Sterilization

Question Statement:

A can of food is retorted at $121.1^\circ\text{C}$ for $6.0\text{ minutes}$. During this thermal process, lethal rate is $L = 1.0$. Calculate the accumulated sterilization value $F_0$ in $\text{minutes}$.

Answer Key:

6

Step-by-Step Solution & Explanation

$F_0 = \int L\, dt = L \times t = 1.0 \times 6.0 = 6.0\text{ minutes}$
← Previous (QB_DFE_UOP_018) Next (QB_DFE_UOP_021) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test