What is BTU is an AC unit? Simply put, it’s the capacity or power of the AC. The bigger the BTU, the more cooling effect an AC unit can provide. Here is an example of how you can calculate how many BTUs you need to cool down a 500 sq. ft. area with 8 feet ceilings, avera...
For the filters in my house, I ended up with about 3.7 square feet of face area per 400 cfm and a face velocity of a little over 100 feet per minute. When I wrote about my pressure drop measurements back in June, I told you that I measured the three filters at 0.08 inches of wate...
My bench is pretty big – a full seven feet long – so it fits in front of a full sheet of pegboard. It also provides a large work surface so I can be working on a couple projects at once, if necessary. Not to mention a nice, big, flat surface for drawing, paper cutting, organi...
The important thing to compare is the surface area in square millimeters. This shows the comparative size of each sensor. A full frame sensor for example has more than double the surface area of an APS-C sensor, and over 30x the surface area of a smartphone or compact camera sen...
Knudsen replied this was just what the machine-tool industry needed to get back on its feet. Still, he limited the new suspension to the one line. Knee-Action wasn't universally liked, so Standard/Master retained solid front axles through 1940, after which all Chevys had IFS. The 1935s ...
But there are so many variables that there isn’t a one size fits all and to complicate it further to describe the amount of light that hits a specific surface eg: your canvas, another term is used calledLux or Footcandledepending if you work in meters or feet. ...