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Engineering Unit 3 Book A
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Which step of the engineering process is this? Identify a need. Revise the design. Brainstorm solutions. Conduct background research.
Revise the design
Which cleaning process is the most effective choice?
B
An engineer is given a time limit of one month to design a compact cell phone that works underwater. What constraint will the engineer be facing when designing this phone? Size b. Durability c. time for design d. resistance to water
C
In order to develop a container, a woman can carry long distances for water, it must be light and hold at 2 gallons. Criteria or Constraint.
Criteria
When building a water filter, you must use only materials available. Criteria or Constraint.
Constraint
When building a water filter, it must filter out animal waste, oil and salt. Criteria or Constraint.
Criteria
The catapult design must be less than 14 inches tall, launch at least 36 inches, not use more than four types of materials, and angle of arm less than 110 degrees.
Catapult N
The new hoverboard must meet all safety guidelines. It must be manufactured in $75 or less, the battery should last at least 2 hours, and the hoverboard should be able to travel at least 6 mph. Which should be we buy?
Design C
Criteria, Constraint. Or Trade off: It takes a long time to reach our destination.
Tradeoff
Cost or benefit: Has a negative effect on the environment.
cost
Cost or Benefit: will not need to be replaced often.
benefit
Cost or Benefit: Made from recycled material.
Benefit
Criteria, Contraint, or Tradeoff Does require a lot of work to keep it in working order.
tradeoff
Which prototype met the criteria of having 8 GB of storage and the constraint of price under $100?
Design 2
Why do engineers brainstorm before they build their prototype?
To identify possible solutions for the problem.


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