Allied & ICAR Exam Bank • ALLIED_3911 MCQ • 1 Mark

Section 7: Dairy and Food Engineering

Preservation of Food

Subtopic: Kinetics of microbial death – pasteurization and sterilization of milk and other liquid foods

Question Statement:

In food preservation thermodynamics and sterilization kinetics #19, the parameter Kinetics of microbial death – pasteurization and sterilization of milk and other liquid foods dictates that:

Options:

  • (A) Microbial inactivation follows first-order logarithmic death kinetics governed by D-value and z-value, while freezing suppresses water activity
  • (B) Microorganisms replicate faster at -18 deg C
  • (C) Carnot COP can exceed 1000
  • (D) Latent heat of freezing of water is zero

Answer Key:

A

Step-by-Step Solution & Explanation

Microbiological and cryogenic foundation of Kinetics of microbial death – pasteurization and sterilization of milk and other liquid foods.
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