Moisture Content Measurement in Food
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Questions and Answers

What is the water activity level at which microbial proliferation slows down?

  • 0.60
  • 0.50 (correct)
  • 0.75
  • 0.40

What is the water activity range as measured by the Water Activity Meter?

  • 0-1 (correct)
  • 0-100
  • 0-10
  • 0-50

How should the sample cup be filled according to the instructions provided?

  • Fill the cup fully
  • Leave the cup empty
  • Fill the cup to the brim
  • Fill the cup just halfway (correct)

What does the displayed reading on the Water Activity Meter show after measurement?

<p>Water activity and sample temperature (A)</p> Signup and view all the answers

What should be done after placing the sample cup in the chamber tray according to the instructions?

<p>Move the lever to the 'READ' position (C)</p> Signup and view all the answers

What is the formula for calculating moisture content?

<p>[(Wet Weight - Dry Weight) / Wet Weight] x 100 (A)</p> Signup and view all the answers

What is the ideal moisture content range for dried products?

<p>10-15% (D)</p> Signup and view all the answers

What is the main importance of water activity (Aw) in food?

<p>Used as a critical control point in HACCP programs (C)</p> Signup and view all the answers

How is moisture content typically measured?

<p>Using a Moisture Analyzer (A)</p> Signup and view all the answers

What does water activity (Aw) measure in food?

<p>'Free' or 'non-chemically bound' water available for microbial growth (A)</p> Signup and view all the answers

What does the wet weight in moisture content measurement represent?

<p>The weight before drying (B)</p> Signup and view all the answers

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