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If the yield of bio-oil to liquid fuels (gasoline- and diesel-like fuels) is 42 wt.%, what is the overall energy efficiency? Use the values in Table 4.12: for energy content and product yields. First, calculate the biomass to liquid fuel yield based on the biomass to bio-oil and bio-oil to liquid fuel yields. Finally, assume a liquid fuel energy density of 41.2 MJ/kg and calculate the energy efficiency.
determine the temperatures of surface 1 through 4 of the furnace cavity of example 13.3 if the entire furnace
a jet is traveling westward with the sun directly overhead the jet is on a line between the sun and the center of the
The final pressure is 5 kpa . If specific internal energy of the gas decreases by 40 kj/kg, find the heat transfer in magnitude and direction.
Show that the ?ow represented by f ¼ 10r cos y þ 40 ln r m2=s is an incompressible ?ow. Also, (a) Find the stream function c. (b) Find the pressure along the negative x-axis if water is ?owing and p ¼ 100 kPa at x ¼ -1.
a 137-cs source has an acticity of 700 mu ci. a gamma proton with energy 0.662 mev is emitted with a frequency of 0.849
Calculate the velocity of a satellite in orbit around the earth in a geosynchronous orbit. Use the definition of a sidereal day which is 86164.09 sec. What is the orbit height in km?
Assume compressor and turbine efficiencies of 80% and 85%. A) find nth, T4a? B) what is nth if sum of regenarate efficiency is 80% installed?
1. What is the distinction between dye and pigment colorants? 2. Cite four factors that determine what fabri- cation technique is used to form polymeric materials.
A ventilation system was designed to exhaust 17,500 cfm at a static pressure of 3.46"wg at the fan inlet. A static pressure reading at the fan inlet is 2.66"wg two years after the system was installed. What is the present exhaust volume
in a reversible process nitrogen is compressed in a cylinder from 100 kpa 20oc to 500 kpa. during the compression
what is the effect of increasing the boiler pressure in a steam power plant modeled as an ideal rankine cycle with
the uniform beam of mass 40 kg is supported by the rope which is attached to the end of the beam wraps over a rough peg
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