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The Annual Energy Outlook with Projections report released by the U.S. Energy Information Administration projects annual consumption estimates for various fuel types through the next 25 years. According to the report, biofuels will play an increasing role in the liquid fuel supply over that time period. Based on technologies commercially available or reasonably expected to become available in the next decade, identify the most viable options for producing biofuels. Compare several options based on energy return on energy invested (EROEI), water and land requirements, and effects on global climate change. Draw conclusions based on your study, and present your findings in a report with at least three references.
a firm is considering two alternatives that have no slavage value.alternative ainitial cost- 10700uniform annual
In energy equation for a boundary layer the viscous dissipation term is taken as
a heat pump is used to maintain a house at a constant temperature of 23degc. the house is losing heat to the outside
it is desired to design a system to keep a 1-million-galon capacity water tank filled. the plan is to use a centrifugal
according to archimedes principle the mass of a floating object equals the mass of the fluid displaced by the object. a
estimate the diameter of an aluminum atom given that the density is 2.7 gramscubic centimeter and the atomic mass is
an automobile can accelerate at the rate of 1.5ms2 and can decelerate at 7ms2. if driver never exceeds the speed limit
A new motorcycle is being developed to meet new gas mileage standards recently passed by the federal government. An engineer tested three model designs by randomly assigning the motorcycles in a blind study (the riders recorded the mileage but did no..
A rotating saw blade has 48 teeth and 4 slots. If the room where the saw is used is illuminated with a pulsed light source, at what pulse frequencies will a) the saw blade teeth appear to be stationary? b) The blade slots appear stationary? c) Will t..
A barge (a flat-bottomed boat for carrying freight) is 10 m wide and 20 m long. When it is unloaded, 1 meter of it is underwater. When it is loaded, 2 meters of it is submerged. What is the weight of the barge unloaded? What is the weight of the load..
A cooking pot whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. If the local atmospheric pressure is 101 kPa, determine the temperature at which the water starts boiling when it is heated.
A one dimensional wall of material (Kw=10w/mk) is 50 mm thick with uniform heat generation q‘‘‘=5*10^6w/m^3. The left side is exposed to a fluid hl=500w/m^2k at 20 degree Celsius. The right side has a 10mm thick plate attached that has no heat genera..
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