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Consider CO2 emissions from a gasoline powered vehicle. Gasoline is acomplex mixture of hydrocarbons but for the purposes of this calculation assume an average molecular formula of C7H16. The density of gasoline is 6.07 pounds per gallon. Assume that all carbon in the fuel is converted to CO2 during combustion.
a. My old Buick gets 10 miles per gallon (mpg) and I'll drive it another 40,000 miles before it falls apart and is junked. How much carbon will I emit driving my Buick?
b. If the car weighs 4,000 pounds and is driven 10,000 miles per year, what is the ratio of the weight of carbon emitted per year to the weight of the car?
c. If the federal government taxes carbon emissions at $20 per ton of carbon, what will be the tax on a gallon of gasoline?
d. If I sell my Buick and buy a new car that gets 40 mpg, how much would I reduce my carbon emissions over those 40,000 miles?
how many kilograms each of pearlite and preutectoid phase form? schematically sketch and label the resulting microstructure
You are a farmer. You plan to supply to your fields using water from a lake that is 500 ft above your fields using a 3 inch smooth plastic pipe, 1500 ft long. How much flow rate will you get? Initial guess: f=0.03, no pump.
A conical tube of length 8 m fixed vertically with its smaller end upwards. The velocity head and pressure head at upper ends are 1.27 m and 2.50 m respectively. The velocity head and pressure head at lower ends are 0.203 m and 5.407 m respectivel..
Determine the minimum distance from the diversion that a road sign should be located informing drivers of the temporary change on the highway. The letter height on the road sign is 5 inches.
Vehicles begin to arrive at a toll booth at eight vehicles per minute from 9 A.M. to 10 A.M. The booth opens at 9:10 A.M. and services at a rate of ten vehicles per minute until 9:40 A.M. From 9:40 A.M. until 10 A.M.
Design a single angle strut connected to a gusset plate to carry 180k n factored load. The length of the strut between center to center intersection is 3m.
Draw the Bending Moment and Shear Force diagrams for the girder and calculate the maximum tension in the cable.
the recommended threshhold limit value ( TLV-ACGIH) air concentration for occupational exposure to water-insoluble hexavalent chromium Cr (VI) is 0.01 mg/M^3. this concentration is based on an assumption that the individual is generally healthy an..
If both tanks are well-mixed and remain at constant volume, what is the steady-state concentration (in mg/L) of chromate (CrO42-) in the effluent water leaving the second tank?
Your family cabin now has a roof that is rectangular, 60 feet by 20 feet, and is covered by 2 inch thick hardwood siding and tapped wood shingles. You propose adding 2 inches of cellulose fiber insulation under the hardwood.
The "supersoaker" water gun can shoot more than 30 ft in the horizontal direction. Estimate the minimum pressure, , needed in the chamber in order to accomplish this. List all assumptions and show all calculations.
Describe the reasons for enhancing drainage and situation where it is required. Explain some of the detrimental effects of drainage. Describe the types of drainage system indicating suitability criteria. 200- 250 word limit
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