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1.Investing in the General Motors costs $10,000 today and pays back $11,500 two years from now. If investing in the Ford costs $8,000 today and pays back $4,500 each year for two years, which alternative is inferior? Assume an interest rate of 5%.
2.In 2000, the rent for my apartment was $350/month. Utilities were $65/month and parking was free. Today, the same items total $650/month. If CPI in 2000 was 120, what is the CPI today?
3.Estimate the average hourly, average daily, and minimum hourly residential sewage flows from an area serving a population of 1500 people. Assume that the lenghth of sewer and house drains equals 3.0 km and that infiltration occurs
4.What is the concentration of NH3 (in mg/L) of household ammonia that contains 3.00 percent by wieght of NH3? Assume the density of water = 1000kg/m^3
Design a 4-bitregister with two control inputs S1 and S0, four data inputs I3,I2,I1, I0, and four dataoutputs Q3, Q2, Q1, Q0. S1S0=00 means maintain the present value, S1S0=01means
What is the formula to find the Maximum pressure on a form, and what information is needed to find the maximum pressure on the form?
The maximum flow rate of a standard shower head is about 3.5 gpm and can be reduced to 2.75 gpm by switching to a low-flow shower head that is equipped with flow controllers. Consider a fam- ily of four, with each person taking a 6-minute shower e..
write a paper on steel sustainability. - how to do design calculations for penthouse in steel building and- why the
A 2-ft diameter circular pipe has a Manning's n of 0.013 and a bed slope of 2.0 X 10^-3. What is the uniform flow rate in this pipe if it is completely full (Qf) in ft^3/s
Given a reinforced concrete beam made with 3000psi concrete and grade 40 steel. The effective width is 12 inches, the beam depth is 24 inches and the reinforcement is 4#7 bars centered 2-1/2 inches
A cattle watering has a free surface with a size equal to 0.6 m x 0.3m, with the longer side being parallel to the prevailing wind. Wind at -23 C is blowing over the surface at 1 m/s.
a buried horizontal concrete pipe (n=0.012) of unknown length needs to be replaces. the length is not known because the original plans for the pipeline route have been lost. the pressure head drop along the segment that needs to be replaced is 29...
A 30" beam with a cross section of 1" wide and 2" tall is supported by a pin at point A on its left end, and a roller at point B on its right end. A 300 lb force is exerted 10" to the right of A (20" left from B)
Using the stress transformation equations only,given a stress state where sigma x=105 MPa,sigma y=75 MPa and tau xy=25 MPa, determine the stresses acting on an element oriented at an angle 40 degrees from the x axis.
Outflow of water occurs from a cylindrical tank with a hole at the bottom. Find the height of the water in the tank at any time if the tank has a diameter 2 m, the hole has diameter 1 cm, and the initial height of the water when the hole is opened..
You are assined the task of process design for a fixed-bed carbon adsorber system. You are given the following data: the inlet airstream flows at 5000 acfm (at 95 degrees F and 1 atm) and contains .2% n-pentane by volume
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