Choose one of the National Academy of Engineering’s Grand Challenges found in Section 3.6 and write a one-page paper on how you as an engineer could be involved in helping to solve this challenge.

What will be an ideal response?


This is a non-quantitative problem and requires that the student assess the problem and supply appropriate narrative that will differ from student to student, thus no solution is provided.

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How many gussets 4” by 7” can be cut from a sheet of material that is 32” by 44”?

What will be an ideal response?

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A systems engineer who invested wisely can retire now because she has $2,000,000 in her self-directed retirement account. Determine how many years she can withdraw (a) $100,000 per year, or (b) $150,000 per year (beginning 1 year from now) provided her account earns at a rate of 5% per year. (c) Explain why the increased annual withdrawal from $100,000 to $150,000 per year is important.

What will be an ideal response?

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The surface finish for the cylinder walls usually depends on ________

A) The cylinder wall-to-piston clearance B) The type of engine oil that is going to be used in the engine C) The type of piston rings to be used D) Both B and C

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What type of humidifier has air flow from the supply plenum, through the humidifier, and into the return plenum?

A) A vaporizing humidifier B) A steam humidifier C) A bypass humidifier D) An atomizing humidifier

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