Mike Grabowski HVAC/R Evacuation Quiz July 12, 2021, 4:47 pm

Comments

Related Tech Tips

The Learning Mindset - It Isn't Obvious Until It Is
Note: This short series is on the mindset of learning (and teaching), not really a “tech tip,” per se. We will be back to the tech tips in a few days.  I've heard and repeated these phrases countless times over the years, both at home and work: That should be obvious. It's just common sense. […]
Read more
Troubleshooting For HVAC/R - Gathering Data 
This article is part 3 in a 5-part series by Senior Refrigeration and HVAC Technician Jeremy Smith. Let's start with step#1 in the flowchart: Gather data. This is why we spend money on those fancy digital manifolds, shiny electrical meters, and other gadgets, widgets, and doodads. It isn't to brag about them on Facebook; it's […]
Read more
Bernoulli's Principle
Have you ever thought about the relationship between velocity and pressure? If you think about a fluid being forced through a small orifice, you can fairly easily picture the fluid speeding up as it goes through the orifice. However, did you also know that the surrounding static pressure DECREASES at the point of high velocity? […]
Read more
loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from