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Derive the expressions for the concentration exiting a CSTR and a PFR for a zero order removal reaction. Which reactor design is more efficient in terms of volume and hydraulic retention times?
Determine the strain components strainx, Strainy, and gammaxy, then sketch the deformed shape in the xy orientation, paying particular attention to the sign of the shear deformation.
Weather records for a certain region indicate that there is a tendency for two hot summers to occur in a row. From the statistics for the region, the following information has been es tahlished
Find the percentage of Air voids and voids in the mineral aggregate if the asphalt absorption is .5%, and the specific gravities of the aggregate and binder are 2.660 and 1.020 respectively. The unit weight of the mixture is 2.39 Mg/m^3
A cylinder with a moveable piston holds .20 lb of hydrogen initially in a volume of 1 cu ft at a tem-perature of 1300 F. Then the volume is expanded to 2.5 cu ft while the gas pressure remains constant.
After the Christmas break one student returns carrying a flu virus. Assume that the rate at which the virus spreads is proportional to the number of infected students P(t), but also to the number 5000P(t) of students not yet infected.
What are 3 of the equivalent fixed-point problems for f(x) = x2 - x -2=0?
suppose there are 10 pieces of paper in a hat. Each piece of paper has a digit 1 through 10 written on it. Each number is written only once. You reach in the hat and select a piece of paper. What is the probability that the paper has either a 3 or..
The canal shown below is to be widened so that it can carry twice the amount of water. Determine the additional width L required if all other parameters (i.e. flow depth, bottom slope, surface material, side slope) are to remain the same.
A typical paper clip weighs 0.59 gram and consists of BCC Iron. The density of iron is 7.87 gram/cm3 and its atomic radius is 0.124 nm. What is the volume of a unit cell in (nm)3. What is the volume of a unit cell in cm3.
a) Find the free-flow speed and jam density for this relationship b) Derive equations depicting the relationship between flow and density, and speed and flow. Plot the resulting curves. Show the values of free-flow speed, jam density, and capactiy..
A batch dryer with a grain depth of 20 inches contain 21,000 pounds of 20.7% (wb) moisturecontent shelled corn. An airflow of 75,000 pounds dry air per hour is supplied at a temperature of 175°F. The ambient air is 55°F at 100% relative humidity.
An afterburner has been selected to destroy 99.9% of the ethane (CH3-CH3)in a gas (mostly air) stream . if the residue time is 0.8 seconds and the pressure is 1.1 atmospheres in the after burner,
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