Questions from Engineering

Q: Airodyne Wind, Inc. has wind tunnels that can operate vertically

Airodyne Wind, Inc. has wind tunnels that can operate vertically or horizontally for evaluating the effects of air flow on a component’s PCB response and reliability. The company expects to build a ne...

Q: Polymer Molding, Inc. is considering two processes for manufacturing storm

Polymer Molding, Inc. is considering two processes for manufacturing storm drains. Plan A involves conventional injection molding that will require making a steel mold at a cost of $2 million. The cos...

Q: Two methods can be used for producing solar panels for electric power

Two methods can be used for producing solar panels for electric power generation. Method 1 will have an initial cost of $550,000, an AOC of $160,000 per year, and $125,000 salvage value after its 3-ye...

Q: A consulting engineering firm is considering two models of SUVs for the

A consulting engineering firm is considering two models of SUVs for the company principals. A GM model will have a first cost of $36,000, an operating cost of $4000, and a salvage value of $15,000 aft...

Q: An international textile company’s North America Division must decide which type of

An international textile company’s North America Division must decide which type of fabric cutting machines it will use—straight knife or round knife. The estimates...

Q: A company that makes modular bevel gear drives with a tight swing

A company that makes modular bevel gear drives with a tight swing ratio for optimizing fork-lift vehicles was told that the interest rate on a loan would be an effective 3.5% per quarter, compounded m...

Q: The cost associated with maintaining rural highways follows a predictable pattern.

The cost associated with maintaining rural highways follows a predictable pattern. There are usually no costs for the first 3 years, but thereafter maintenance is required for restriping, weed control...

Q: For the cash flows shown, determine the equivalent uniform annual worth

For the cash flows shown, determine the equivalent uniform annual worth in years 1 through 5 at an interest rate of 18% per year, compounded monthly.

Q: A medium-size municipality plans to develop a software system to

A medium-size municipality plans to develop a software system to assist in project selection during the next 10 years. A life-cycle cost approach has been used to categorize costs into development, pr...

Q: Compare three alternatives on the basis of their capitalized costs at i

Compare three alternatives on the basis of their capitalized costs at i = 10% per year.