Questions from Engineering


Q: Charlie’s Truck Repair and Service has a new contract that requires him

Charlie’s Truck Repair and Service has a new contract that requires him to purchase and maintain new equipment for work on 18-wheeler trucks and heavy road equipment. Two separate ve...

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Q: Hannifin CNG Fuel Dispensers needs to purchase replacement equipment to streamline one

Hannifin CNG Fuel Dispensers needs to purchase replacement equipment to streamline one of its production lines for a new contract, but may sell the equipment before its expected life is reached at an...

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Q: Petrobras, the Brazilian energy company, has identified two alternatives to

Petrobras, the Brazilian energy company, has identified two alternatives to provide potable water to offshore platforms—purchase and operate the equipment, or contract long term with...

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Q: The present worth of an alternative that provides infinite service is called

The present worth of an alternative that provides infinite service is called its: (a) Net present value (b) Discounted total cost (c) Capitalized cost (d) Perpetual annual cost

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Q: One way to recover invested capital with interest is to collect the

One way to recover invested capital with interest is to collect the principal P over n years as P∕n and also collect the interest on the unrecovered balance. Assume you borrowed $6000 at 10% per year...

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Q: An engineer is trying to decide which process to use to reduce

An engineer is trying to decide which process to use to reduce sludge volume prior to disposal. Belt filter presses (BFP) will cost $203,000 to buy and $85,000 per year to operate. Belts will be repla...

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Q: Western Energy makes quarterly deposits into an account reserved for purchasing new

Western Energy makes quarterly deposits into an account reserved for purchasing new equipment 2 years from now. The interest paid on the deposits is 12% per year, compounded monthly. (a) Identify the...

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Q: When comparing mutually exclusive alternatives that have different lives by the present

When comparing mutually exclusive alternatives that have different lives by the present worth method, it is necessary to: (a) Always compare them over a period equal to the life of the longer-lived al...

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Q: The capitalized cost of an initial investment of $200,000

The capitalized cost of an initial investment of $200,000 and annual investments of $30,000 forever at an interest rate of 10% per year is closest to: (a) $−230,000 (b) $−300,000 (c) $−500,000 (d) $−2...

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Q: An upgraded version of a CNC machine has a first cost

An upgraded version of a CNC machine has a first cost of $200,000, an annual operating cost of $60,000, and a salvage value of $50,000 after its 8-year life. At an interest rate of 10% per year, the...

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