Food Physical Attributes Quiz

Size and shape are important physical attributes of foods that are used in screening, grading, and quality control of foods. They are also important in fluid flow and heat and mass transfer calculations.

Sieve analysis can be used to determine the average particle diameter and specific surface area of granular material by analyzing the distribution of particle sizes using a set of sieves with varying mesh sizes.

Volume can be calculated from the measured dimensions or by using various methods such as liquid, gas, or solid displacement methods and image processing. Volume affects consumer acceptance as it influences the perceived value and portion size of the food product.

<p>Volume/density for solid materials can be expressed in different forms such as solid, apparent, and bulk volume/density depending on the presence of pores within the material.</p> Signup and view all the answers

<p>Porosity is a physical property characterizing the texture and quality of dry and intermediate moisture foods. It can be determined for particulate materials by analyzing the voids within and among the particles using methods such as compression, optical methods, density methods, or by using a pycnometer or porosimeter.</p> Signup and view all the answers