42 US gallons is 159 L (or, to be precise, 158.987 304 L). As for barrel, that's what the oil was stored in during the early days of the oil business. See http://www.oilhistory.com/pages/Barrels/standardization.html.
Bill Potts, CMS Roseville, CA http://metric1.org [SI Navigator] >-----Original Message----- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On >Behalf Of John Nichols >Sent: Saturday, January 18, 2003 13:23 >To: U.S. Metric Association >Subject: [USMA:24491] Help Needed > > >I am writing a paper that I have about 1 week to finish >I need to know where the barrel of oil term comes from and what is 42 US >galllons in SI. > >What is a BTU in SI? > >I have to get this right hence my asking > >John Nichols BE, Ph.D. (Newcastle), MIE (Aust), Chartered Professional >Engineer >Assistant Professor >Texas A&M University >Department of Construction Science >Langford AC >Rm: A414 MD 3137 >College Station, TX 77843-3137 > >Electronic mail: [EMAIL PROTECTED] >Telephone: 979 845 6541 >Facsimile: 979 862 1572 >----------------------------------------------------------------- >a fronte praecipitium a tergo lupi > >in front a precipice, behind a wolf >----------------------------------------------------------------- >
