I work at a hospital and I noticed that the oxygen cylinders are labelled as containing 630 litres of oxygen. (Yes yes, suuuper busy day at work) Similarly the flow rate out of the cylinder is set in L/min. This piqued my interest as I know a litre is a set volume, yet clearly the cylinder was not that large. So what is a litre in this case? …and why is it this way?
In: Physics
Once at a dentist, I (while on nitrous) explained they were getting ripped off buying their nitrous by the liter, and not by the lb, they were basically returning 2/3 empty tanks cause pressure dropped…not cause they were out.
They thought I was crazy…but when I filled auto nitrous, I always measured by weight…not volume.
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