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The Mayor of Recycleville has asked you to develop an integrated waste management program. Residents currently pay $10 per month and can put out up to five 32-gallon cans per week. You offer the Mayor an automated system with two price options
In addition you will provide the residents a 64-gallon commingled recycling container and a 96-gallon green waste container.
a. What are the advantages of using the program developed by you?
b. Are residents opting for the 96-gallon container paying more for this service?
c. Which price option would likely have the higher recycling rate, and why? Look at the EPA web site for some case studies to support your reasoning.
d. What impact would collecting recyclables one week and collecting green waste the next week have on the recycling rate?
Water is the working fluid in a regenerative Rankine cycle with one closed feed water heater and one open feed water heater. Steam enters the turbine at 1400 psi and 1000 F and expands to 500 psi, where some of the steam is extracted and diverted to ..
In a lecture demonstration, a professor pulls apart two hemispherical steel shells (diameter D) with ease using their attached handles. She then places them together, pumps out the air to an absolute pressure of p, and hands them to a bodybuilder ..
Assuming that the middle cantilever supports 50% of the load and each outer cantilever supports 25% of the load, determine the required dimensions b and h.
It is reasonable to expect that given growing wealth, the emergence of a middle class, access to modern conveniences, and so forth, the "emerging" countries of the world may experience exponential growth in energy consumption over the short to med..
Since the half-life of 235U (7.13x10^8 years) is less than that of 238U (4.51x10^9 years), the isotopic abundance of 235U in natural uranium has been steadily decreasing since the earth was formed. How long ago was the isotopic abundance of 235U in n..
a power cycle operates between a high-temperature reservoir at temperature th and a lower-temperature reservoir at tl
The mass transfer coefficient for transfer of palladium between the gas and the surface is hm, what is the molar concentration of O2 at the center of the organism?
What is the molar diffusive flux of O2 through the mem- brane? What are the molar concentrations of O2 on both sides of the membrane (outside the rubber)?
A mass of 2.2 kg of helium at 381 kPa and -253oC is contained is a gas-tight frictionless piston-cylinder. The gas is expanded to a final pressure of 74 kPa in a poly tropic process where n = 1.667. Compute the work done (output positive) in the proc..
A piston-cylinder setup filled with air, initially at 27 °C, 1 bar, changes to 17 °C, and 0.9 bar. Determine, as a present, the change in volume of the air from its initial volume. (in %)
calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.25 kg of liquid water at
Do some research on what takt time is and then determine takt time from the information below. In your assignment submission please make sure you define takt time.
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