Sous Vide Steak Safety. The FDA states that beef is safe when it is held at 130Â°F for over 112 minutes, or 140Â°F for over 12 minutes. This is very easy to do with sous vide and the main reason we recommend cooking most beef cuts medium-rare since beef is most tender at that temperature.
btu per pound * pounds per gallon   OK, it sounds as if you know the value of fuel in oil btu per pound.Now find out how much a gallon of fuel oil weighs and multiply the bâ¦tu value x that weight in pounds and that is the value per gallon. Or simply, diesel fuel is #2 fuel oil which contains 140,000 btu per gallon.
I think it is close to this: 1 gallon propane = ~ 92,000 BTU Heater = ~400,000 BTU/hour So in 6 hours, you used 2,400,000 BTU / 92,000 = 26 gallons of propane = $61 Your specific question: 400,000 BTU/hr / 92,000 BTU/gallon = 4.35 gallons / hr ...