An engine dynamometer measures torque (lb-ft), not mechanical energy (ft-lb); and an engineâs âtimeâ is expressed in revolutions per minute (rpm). Since 6.28 ft-lb of work is about equal to 1 lb-ft of torque, you can substitute the eqautions in Figure 2.
DEF weighs approximately 9 lbs per gallon. Compared to diesel fuel at approx 7.05 lbs and gasoline at an average of 6.19 lbs, DEF is a relatively heavy product.ow much DEF can I haul? With DEF weighing in at around 9lbs per gallon, we estimate that with a tandem axle truck tank you will be able to haul just over 3000 gallons in most states. For trailers the capacity will be around 5,000 gallons.
One US gallon of water weighs about 8.35 pounds. AnswerWater weighs 1000 kilograms per cubic meter when it's a liquid at 4 Â°C. That's 1 gram per cubic centimeter. There are 3 â¦ 785.41178 cubic centimeters per U.S. gallon.That's 3785.41178 grams per gallon, or 3.78541178 kilograms per U.S. gallon.That's about 8.3454 pounds per U.S. gallon.   AnswerOne wine measure or US gallon of water weighs 8.34 pounds. An Imperial Gallon is ten pounds of water at 62 Â°F and 30 inches of mercury air pressure.his depends on the material in the gallons. 40 pounds of water is about 5 gallons. 40 pounds of gasoline is about 7 gallons. 40 pounds of air is ... a lot of gallons.