It was in the old code book. Threw the old codebook out. Now I don't have the formula. Need a simple no-nonsense formula I can print out for class. Anybody know where I can find one without having to buy a $50 plumbing math book to get one lousy formula?
I'm also putting together my class for next semester. Any suggestions on content would be appreciated. The guys in class have varied levels of skill. Some of them don't even know how to sweat pipe. Some of them have been in the field for many years and take my class as a refresher. Always looking for ideas to improve my classes. I can't get too fancy though. The college is poorly funded. We don't even have a wet lab. So I have to make do with what I have available.