Questions and Answers of Introduction Mechanical Engineering

Three concepts for the drive mechanism in a mousetrap-powered vehicle are described in Section 2.4. Develop another concept, prepare several sketches, and write a brief description of it.
Develop a table that lists advantages and disadvantages of the three design concepts for a mousetrap-powered vehicle in the case study in Section 2.4. Discuss the trade-offs between front and rear
For the ideas in Problem P2.29, create a table that lists the advantages and disadvantages of each idea and make a recommendation about which idea would be the best, considering technical
In 2010, the Eyjafjallajökull volcano in Iceland erupted, impacting millions of lives by disrupting air travel throughout Europe for weeks. Generate five ideas for a system that could prevent future
For the aluminum structural member shown, provide an explanation for which processes you think were used in its manufacture and why. See Figure P2.28.Figure P2.28.
For the magnesium camera body shown, provide an explanation for which processes you think were used in its manufacture and why. See Figure P2.27.Figure P2.27.
Go to Google Patents and find a patent for an innovative mechanical device that you think would not be a success in the marketplace. Since it is patented, it is considered innovative. Therefore,
A team of design students working on a mousetrap-powered vehicle decides to use computer compact discs as wheels. The discs are lightweight and readily available. However, they must also be aligned
On thousands of college campuses around the world, millions of students generate kinetic energy walking around campus every day. Develop 10 ideas for capturing and storing the kinetic energy from
The water table under the North China Plain has been dropping steadily by about 4 ft a year while demand for water has been increasing. Projections have the region running out of water by 2035.
In August 2010, massive downpours caused widespread flooding across Pakistan, killing at least 1500 people. Many times flood waters breached a riverbank and cut a new course for hundreds of miles,
In 2010, a giant 100-square-mile iceberg (four times the size of Manhattan) broke off of the northwestern tip of Greenland. The iceberg could fl oat into the waters between Greenland and Canada
Develop 10 concepts for a new safety feature that can be incorporated in household ladders to prevent falling accidents. Provide descriptions and/or sketches of each idea.
Generate 10 ideas for a system to assist disabled persons as they enter and exit a swimming pool. The device is intended to be installed into either new or existing pools. Provide descriptions and/or
Generate 15 ideas on how to improve the classroom for this course. Provide descriptions and/or sketches of each idea.
Develop 10 ideas for a packaging system that can prevent the shell of a raw egg from breaking if it is dropped down a flight of stairs. Provide descriptions and/or sketches of each idea.
Develop 15 ways to determine which direction is north. Provide descriptions and/or sketches of each idea.
Find a product specification sheet for a consumer product such as an automobile, appliance, TV, motor, or something similar, and determine whether the specifications are easy to interpret. For
Imagine you are tasked with designing a single dishwasher for both the European and American markets. Determine a set of global, social, environmental, and economic issues you would have to consider
List three products that can be used equally well by people with and without visual impairments and explain why.
Imagine you are tasked with designing a coffee maker that would be marketable to cafés around the globe. Conduct research on coffee makers to determine a set of global, social, environmental, and
Select a type of product that would have versions in all four quadrants in the style-versus-technology design chart (see Focus On Innovation). Show the four versions of the product, and clearly
Give three examples of engineered products that are designed to work well over a million times.
Give three examples of engineered products that fulfill their designed purpose by failing or breaking.
Give three examples of engineered products that have to be precisely a certain weight, and provide the weight.
Give three examples of engineered products that have a specific minimum weight, but no specified maximum weight, and specify the approximate minimum weight.
Give three examples of engineered products that must be transparent.
Give three examples of engineered products that must be black in color.
Give three examples of engineered products that must be rectangular in shape and explain why.
Give three examples of engineered products that must be green in color.
Give three examples of engineered products that must be circular in shape and explain why. Any ball is not allowed as an answer!
Give three examples of engineered products that must be triangular in shape and explain why.
Think of a product you personally have used that you think failed to do what it was supposed to do. Prepare a technical report of at least 250 words describing why you think this product failed and
Find a recent engineering failure in the news and prepare a technical report of at least 250 words explaining how a mechanical engineer could have prevented the failure. Explain clearly how your
Interview someone whom you know or contact a company and learn about a computer–aided engineering software tool that is related to mechanical engineering. Prepare a technical report of at least 250
Interview someone whom you know or contact a company and learn some of the details behind a product that interests you. Prepare a technical report of at least 250 words of the product, the company,
What do you think are the three most signifi cant issues facing engineers today? Prepare a technical report of at least 250 words that explains your rationale.
Looking forward by 100 years, what technological advance do you think will be regarded at that time as having been a significant achievement of the mechanical engineering profession during the
What other product or device do you think should be on the list of the top mechanical engineering achievements? Prepare a technical report of at least 250 words detailing your rationale and listing
Read one of the Mechanical Engineering articles listed in the References section at the end of this chapter, describing a top ten achievement. Prepare a technical report of at least 250 words
For each of the following systems give an example of how a mechanical engineer would have to address environmental issues in its design.(a) Wetsuit(b) Refrigerator(c) Space tourism vehicle(d)
For each of the following systems give an example of how a mechanical engineer would have to address economic issues in its design.(a) Clothes dryer(b) Robotic lawnmower(c) Retractable stadium
For each of the following systems give an example of how a mechanical engineer would have to address global issues in its design.(a) Dialysis machine(b) Microwave oven(c) Aluminum mountain bike
For each of the following systems give an example of how a mechanical engineer would have to address social issues in its design.(a) Dishwasher(b) E-Book reader(c) Coffee maker(d) Cordless electric
For each of the following systems, give two examples of how a mechanical engineer would be involved in its testing.(a) Hybrid gas-electric passenger vehicle(b) Motors for remote-control cars, planes,
For each of the following systems, give two examples of how a mechanical engineer would be involved in its manufacture.(a) Graphite-epoxy skis, tennis racket, or golf club(b) Elevator(c) Blu-ray
For each of the following systems, give two examples of how a mechanical engineer would be involved in its analysis.(a) Jet engine for a commercial airliner(b) Rover robot for planetary
For each of the following systems, give two examples of how a mechanical engineer would be involved in its design.(a) Passenger automobile engine(b) Escalator(c) Computer hard disk drive(d)

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