Questions from Engineering

Q: An electric company must decide between two options for managing the blowdown

An electric company must decide between two options for managing the blowdown water from its cooling tower. Option 1 is to continue the lease on 50 acres of land for another 5-year period and dispose...

Q: Huntington Medical Center purchased a used lowfield MRI scanner 2 years ago

Huntington Medical Center purchased a used lowfield MRI scanner 2 years ago for $445,000. Its operating cost is $272,000 per year and it can be sold for $150,000 anytime in the next 3 years. The Cente...

Q: You, an engineer, and an attorney friend, Rob,

You, an engineer, and an attorney friend, Rob, started a small business 3 years ago to do energy audits for small businesses. A piece of equipment that costs $25,000 then has become prematurely obsole...

Q: Because it fumes at room temperatures, hydrochloric acid creates a very

Because it fumes at room temperatures, hydrochloric acid creates a very corrosive work environment. A machine, working in that environment, is deteriorating fast and can be used for only 1 more year,...

Q: A machine purchased 1 year ago for $85,000 costs

A machine purchased 1 year ago for $85,000 costs more to operate than anticipated. When purchased, the machine was expected to be used for 10 years with annual maintenance costs of $22,000 and a$10,00...

Q: A mechanical engineer who designs and sells equipment that automates manual labor

A mechanical engineer who designs and sells equipment that automates manual labor processes is offering a machine/robot combination that will significantly reduce labor costs associated with manufactu...

Q: A machine tool purchased 2 years ago for $40,000

A machine tool purchased 2 years ago for $40,000 has a market value best described by the relation $40,000 − 3000k, where k is the number of years from time of purchase. Experience with this type of a...

Q: A third-year college friend of yours opened Mike’s Bike Repair

A third-year college friend of yours opened Mike’s Bike Repair Shop when he was a freshmen working on a sociology degree. He shared his NCF figures for the 3 years, including the $17,000 amount that i...

Q: Equipment that was purchased by Newport Corporation for making pneumatic vibration isolators

Equipment that was purchased by Newport Corporation for making pneumatic vibration isolators cost $90,000 two years ago. It has a market value that can be described by the relation $90,000 − 8000k, wh...

Q: What is (a) the highest, and (

What is (a) the highest, and (b) lowest rate of return (in percent) possible?