Engineering Economy, 16th Edition by William G. Sullivan and Elin M. Wicks is available for free download in PDF format. Solution Manual Engineering Economy 16th Edition William G. Sullivan, Elin M. Wicks, C. Patrick Koelling Download full at. Engineering Economy is intended to serve as a text for classroom instruction in undergraduate, introductory courses in Engineering Economics. It also serves as .
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Engineering Economy, 16th Edition. William G. Sullivan, Virginia Polytechnic Institute and State University. Elin M. Wicks, Abacus Accounting, LLC. C. Patrick. Instructor Solutions Manual for Engineering Economy, 16th Edition. William G. Sullivan, Virginia Polytechnic Institute and State University. Elin M. Wicks, Abacus . eBook details Authors: William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling File Size: 19 MB File Format: PDF Length: pages Publisher: Pearson;.
Thus we have found a minimum cost velocity. Over 50, miles of driving, you will save 50, miles 50, miles On the face of it, this appears to be a good deal if the claims are all true a big assumption. At , miles of driving, one original set of tires and three replacements would be needed for compressed-air tires. What other assumptions are being made? Select the machine that minimizes costs per non-defective unit since revenue for 30, units over 3-months is not affected by the choice of the machine Rule 2.
Also assume capacity reductions affect material costs but not labor costs. Ignore the sunk costs because they do not affect the analysis of future costs. The extra cost of fuel at 80 mph is: Is this a good tradeoff in your opinion?
What other factors are involved? The cost i.
You can sell all the metal that is recovered Method 1: If driving more than miles, then the breakeven point can be determined using the following equation: If driving less than miles, the breakeven point is: Since the group is traveling more than 1, miles, it is better for them to rent from State Tech Motor Pool.
This problem is unique in that there are two breakeven points. The following graph shows the two points.
Instructor Solutions Manual for Engineering Economy, 16th Edition
TotalCost continued Car Dealer v. But the annual cost savings could increase due to inflation. Reducing variable costs increase the optimum demand value as well as the range of profitable demand. Now, The following U-factors were used in determining the new heating load for the various insulation thicknesses.
U-factor Heating Load R11 0. Solutions to Case Study Exercises In this problem we observe that "an ounce of prevention is worth a pound of cure.
Clearly, we desire to postpone an accident forever for a very small cost.
The key factors in the case study are the cost of an auto accident and the frequency of an auto accident. By avoiding an accident, a driver "saves" its cost. In postponing an accident for as long as possible, the "annual cost" of an accident is reduced, which is a good thing. So as the cost of an accident increases, for example, a driver can afford to spend more money each year to prevent it from happening through continuous use of headlights. Similarly, as the acceptable frequency of an accident is lowered, the total annual cost of prevention daytime use of headlights can also decrease, perhaps by downloading less expensive headlights or driving less mileage each year.
Based on the assumptions given in the case study, the cost of fuel has a modest impact on the cost of continuous use of headlights. The same can be said for fuel efficiency.
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This would then reduce the acceptable value of an accident to "at least one accident being avoided during the next 16 years. Sullivan, Elin M. Wicks, C. Patrick Koelling Download full at: B Alt. This can be seen from the following: So we have: But the margin in favor of the used system is quite small, so management may select the new system because of intangible factors improved reliability, improved image due to new technology, etc.
The wet cooling tower with natural draft heat removal from the condenser water is the most economical i. If you were to pick the alternative with the highest total IRR, you would have incorrectly selected Alternative A. This is assumed to occur at the beginning of each year in the 8-year study period. Let's assume that the electricity expense is incurred at the end of each year for eight years: This is assumed to be incurred at the beginning of the 8-year study period.
A side note: Such requirements typically exist for interoperability.
Military or commercial espionage. Learning about an enemy's or competitor's latest research by stealing or capturing a prototype and dismantling it, which may result in development of similar product, or a better countermeasure against it. Integrated circuits are often designed on proprietary systems, and built on production lines which become obsolete in only a few years.
When systems using these parts can no longer be maintained since the parts are no longer made , the only way to incorporate the functionality into new technology is to reverse engineer the existing chip and then redesign it using newer tools, using the understanding gained as a guide. Another obsolescence originated problem which can be solved by reverse engineering is the need to support maintenance and supply for continuous operation existing, legacy devices which are no longer supported by their original equipment manufacturer OEM.
This problem is particularly critical in military operations.
Product security analysis. To examine how a product works, what are specifications of its components, estimate costs and identify potential patent infringement.
Acquiring sensitive data by disassembling and analysing the design of a system component. Competitive technical intelligence. Understand what one's competitor is actually doing, versus what they say they are doing.
Saving money, when one finds out what a piece of electronics is capable of, it can spare a user from download of a separate product. Repurposing , when obsolete objects are reused in a different but useful manner. The physical object can be measured using 3D scanning technologies like CMMs , laser scanners , structured light digitizers , or Industrial CT Scanning computed tomography.
The measured data alone, usually represented as a point cloud , lacks topological information and design intent. The former may be recovered by converting the point cloud to a triangular-faced mesh. Reverse engineering aims to go beyond producing such a mesh, and to recover the design intent in terms of simple analytical surfaces where appropriate planes, cylinders, etc , as well as possibly NURBS surfaces, to produce a boundary-representation CAD model.
Recovery of such a model allows a design to be modified to meet new requirements, a manufacturing plan to be generated, etc. Using a combination of geometric and freeform surfaces can provide a powerful method of 3D modelling.
Areas of freeform data can be combined with exact geometric surfaces to create a hybrid model. A typical example of this would be the reverse engineering of a cylinder head, which includes freeform cast features, such as water jackets and high tolerance machined areas. It is used to analyse, for instance, how a product works, what it does, and what components it consists of, estimate costs, and identify potential patent infringement, etc.
Value engineering is a related activity also used by businesses. It involves de-constructing and analysing products, but the objective is to find opportunities for cost cutting. Reverse engineering of software[ edit ] In , Institute of Electrical and Electronics Engineers IEEE defined reverse engineering as "the process of analyzing a subject system to identify the system's components and their interrelationships and to create representations of the system in another form or at a higher level of abstraction", where the "subject system" is the end product of software development.Interest earned on money remaining in savings is negligible.
Engineering Economy 16th Edition by William G Sullivan and Elin M Wicks
The present value of a security with perpetual cash flows can be To experience self-conscious emotions, one must have a sense of self. B Alt. There is often more than one way to produce things. Alternative 4 uses the same idea as Alternative 2, but involves a less expensive repair shop.
Therefore, design ER1 is preferred to design ER3. Plus, we regularly update and improve textbook solutions based on student ratings and feedback, so you can be sure you're getting the latest information available. Note that you can choose which questions to answer in the short answer and long answer Mixed Collections of Mathematics Exams with Solutions.
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