I was working at a refinery awhile back and had a quesiton that no one could answer.
I was looking up at some of the PSV's on the towers that wer not vented to the flare. All of these atmospheric relief safety valvs had a small spool that came out of the horizontal exit and then made a 90...
I am in a research and development environment. I, as the junior engineer, have been charged with running a small 12v DC electric vacuum pump project.
I need to be able to control the speed (and voltage) of the motor, no matter what the load. The motor draws 15A normally, and can draw a...
