Allied & ICAR Exam Bank • ALLIED_0742 MCQ • 1 Mark

Section 7: Dairy and Food Engineering

Refrigeration and Freezing

Subtopic: Refrigeration and Freezing

Question Statement:

The 'eutectic temperature' (cryohydric point) of a food system is:

Options:

  • (A) The lowest temperature at which liquid water can exist in equilibrium with ice and solute crystals
  • (B) The initial freezing point
  • (C) The temperature where ice begins to melt
  • (D) Zero degrees Celsius

Answer Key:

A

Step-by-Step Solution & Explanation

At the eutectic point, the remaining concentrated solute solution solidifies completely as a crystalline mixture; below this temperature, no liquid water remains.
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