Finding the Domain Without the Graph. OK, so suppose we don't have the graph of a function to look at like in the last section... Can we still find the domain and range? So, we'll just be doing domains on these -- which is really where the action is anyway. Asking for the domain of a function is the same as asking. What are all the possible x guys.
1 barrel of crude oil = 42 US gallons (159 liters or 35 imperial gallons). It produces from about 35 percent to 42 percent of gasoline or petrol, plus many other products such as kerosene, etc.
Oil and Gas Industry with 330+ answers. An oil barrel (bbl) is 42 US gallons. The yield of gasoline from that varies depending on the source of oil and the refinery technology, but globally ranges from 10-20 gallons per barrel. US refineries run on the high end of that, averaging 19 gallons gasoline per barrel crude oil. The rest of the barrel of oil goes to diesel, jet fuel, asphalt, and so forth.