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1.A municipality wants to sell 30 year bonds to pay for a new WWTP. Investors want a market rate of return on their money of 3.5% or higher for the tax free bonds. The City needs to raise $32.5m today. What would be the semi-annual cash payments that the City will have to make to the investors to retire the bonds and what will be the ultimate cost to the City of the bonds. Please show all work neccessary to answer the question in excel.
2.A circular sewer with a 1.5m inside diameter is designed for a flow rate of 15m^3/s when flowing full. Assume that the Manning roughness coefficient and Darcy friction factor are constant with depth of flow. The flow rate when the depth of flow is 0.50m is most nearly?
how large a sample must we take in order to be a) 95% b) 90% c) 99 d) 99.73% confident that the error in the estimated mean lifetime will not exceed 20 hours.
Ammonia vapor flows through a valve. It enters the valve at a pressure of 8 bar and a temperature of 120C and after going through a throttling process it exits at a pressure of 3.5 bar.
estimate the velocity with which you would contact the ground if you jumped from an airplane at an altitude of 500ft and a) air resistance is negligible, b) air resistance is important, but you forgot your parachute
A force P is applied to bent rod ABC, which may be supported in four different ways. In each case, if possible, determine the reactions at the supports.
Imagine a slide with a radius of 1.5 m and a vertical drop of 2 m per turn. Further suppose that one of my daughters is sliding down at a constant speed of 2 m/s
A certain fluid at 15 psia is contained in a cylinder behind a frictionless piston. The initial volume of the fluid is 300 in^3. The fluid expands to a volume of 450 in^3 while the pressure increases to 25 psia.
At what speed the rule of 25 feet separation between two cars is safe?
Flue gas containing NO2is then treated by an air pollution control equipment with 85% efficiency. Determine the annual emission rate of NO2 leaving the air pollution control device.
For some minerals color is a diagnostic property making identification rather easy. However, certain minerals can also occur in a wide variety of colors making color a poor tool for identification. List different colors for the mineral quartz lo..
What is the corresponding horizontal distance between the points - The slop distance 156.777 from one poin to another at rate of+1.5%
For this landfill, what is the relationship between precipitation rate and then resulting rise in water level within the drainage layer? Display your analysis graphically, corresponding to a minimum of the five rainfall intensities of magnitude 1-5".
the cost and revenue associated with producing a sustainable component are fixed costs = $112,500. Variable costs = $30 / unit. Revenue = $45 / unit. How many units must the company sell each year to breakeven
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