Weight and mass are core refrigeration concepts that are often misunderstood to be different terms that describe the same properties. However, “weight” and “mass” are related, but not identical properties. Mass is the amount of matter in an object and is measured in pounds-mass, ounces, grams, and kilograms. There is also a lesser-known unit of […]
Rate is the quantity of something measured against something else. For refrigeration, the “something else” will always be a unit of time. When length is measured against time, the result is a speed or velocity measurement. Examples include miles per hour and feet per minute. When volume is measured against time, the result is a […]
Volume is the amount of space that something occupies and is calculated by multiplying the area of an object by its height. Since it is a cubic measurement, the units used to measure volume are often cubed. Examples include inches cubed, feet cubed, and meters cubed. Other common volume units are gallons and liters, which […]
The area is the number of square units that can fit within a two-dimensional, or flat, space. To find the area of a two-dimensional square or rectangular surface, one must first measure the length of each side. Once those measurements are obtained, the formula A=LxW will calculate the area of the surface. Example: If a […]
To be a competent refrigeration professional, one must conquer the daunting challenge of mathematics. Whether assessing the volume of a vessel or performing a load calculation, mathematical aptitude is a necessary skill to possess. The length or width of an object is a linear measurement. Length is always measured as a straight-line distance between two […]
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