Questions from Engineering


Q: Stanley, Inc. makes self-clinching fasteners for stainless steel

Stanley, Inc. makes self-clinching fasteners for stainless steel applications. It expects to acquire new time-saving punching equipment 4 years from now. If the company sets aside $125,000 each year,...

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Q: China spends an estimated $100,000 per year on cloud

China spends an estimated $100,000 per year on cloud seeding efforts which include using antiaircraft guns and rocket launchers to fill the sky with silver iodide. In the United States, utilities that...

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Q: American Gas Products manufactures a device called a Can-Emitor that

American Gas Products manufactures a device called a Can-Emitor that empties the contents of old aerosol cans in 2 to 3 seconds. This eliminates the need to dispose of the cans as hazardous waste. If...

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Q: The Department of Traffic Security of a city is considering the purchase

The Department of Traffic Security of a city is considering the purchase of a new drone for aerial surveillance of traffic on its most congested streets. A similar purchase 4 years ago cost $1,200,000...

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Q: Durban Moving and Storage wants to have enough money available 5 years

Durban Moving and Storage wants to have enough money available 5 years from now to purchase a new tractor-trailer. If the estimated cost is $250,000, how much should the company set aside each year if...

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Q: The Public Service Board (PSB) awarded two contracts worth a

The Public Service Board (PSB) awarded two contracts worth a combined $3.07 million to increase the depth of a retention basin and reconstruct a spillway that was severely damaged in a flood 2 years a...

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Q: Syringe pumps oftentimes fail because reagents adhere to the ceramic piston and

Syringe pumps oftentimes fail because reagents adhere to the ceramic piston and deteriorate the seal. Trident Chemical developed an integrated polymer dynamic seal that provides a higher sealing force...

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Q: The cost of a fence that can detect poacher intrusion into a

The cost of a fence that can detect poacher intrusion into a National Wildlife Preserve is $3 million per mile. If the effective life of the fence is 10 years, determine the equivalent annual cost of...

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Q: Determine the amount of money Frost Bank might loan a housing developer

Determine the amount of money Frost Bank might loan a housing developer who will repay the loan 2 years from now by selling eight water-view lots at $240,000 each. Assume the bank’s interest rate is 1...

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Q: A small oil company wants to replace its Micro Motion Coriolis flow

A small oil company wants to replace its Micro Motion Coriolis flow meters with nickel-based steel alloy flow meters from the Emerson F-Series. The replacement process will cost the company $50,000 th...

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