True/False
Indicate whether the
statement is true or false.
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1.
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Constraints have little impact on the engineering
design process.
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2.
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Fluid technology olny applies to liquids like water or oil.
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3.
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Computers and calculators can be used to access,
retrieve, organize, and evaluate data and information in order to communicate.
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4.
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The design process is a systematic, iterative,
approach to problem solving that yields design solutions.
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5.
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Designs once finished never need to be continually
critiqued and refined.
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6.
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Design problems are often presented to engineering in a clearly defined
form.
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7.
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The value of any given technology may be different for different groups of
people and at different points in time.
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8.
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In designing a device or process, engineers would give no thought to how it will
be manufactured, operated, or maintained.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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9.
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The __________________ process is a systematic, iterative approach to problem
solving that promotes innovation and yields solutions.
a. | feedback | c. | assessment | b. | design | d. | investigation |
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10.
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Identifying criteria and specifying _______________ provides a basis for what a
design should be and what the limits are.
a. | feedback | c. | inputs | b. | controls | d. | constraints |
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11.
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A ______________ is a working model used to test a design concept by making
actual observations and necessary adjustments.
a. | prototype | c. | network | b. | portfolio | d. | by-product |
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12.
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Checking the design solution against criteria is central to the _________
process.
a. | forecasting | c. | risk management | b. | evaluation | d. | troubleshooting |
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13.
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In the design process, the final results should be compared to the original
goals, ___________, and constraints.
a. | sketches | c. | processes | b. | models | d. | criteria |
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14.
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______________ have greatly improved the power and use of mathematical models by
performing computations that are very long, very complicated, or repetitive.
a. | Bicycles | c. | Generators | b. | Telephones | d. | Computers |
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15.
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The usefulness of a model can be tested by comparing its ______________ to
actual observations in the real world.
a. | predictions | c. | density | b. | energy use | d. | research
questions |
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16.
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A teacher notices a student running down a hallway and approximates his initial
speed at 15 ft/sec and his maximum speed at 30 ft/sec. Assuming it took the student 10 seconds
to reach maximum speed, calculate his acceleration.
a. | 1.6 ft/sec^2 | c. | 1.7 ft/sec^2 | b. | 1.5 ft/sec^2 | d. | 1.9 ft/sec^2 |
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17.
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A rubber band racer travels an 8 foot track in 1.5 seconds, calculate
acceleration.
a. | 3.4 ft/sec^2 | c. | 3.6 ft/sec^2 | b. | 3.3 ft/sec^2 | d. | 3.8 ft/sec^2 |
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18.
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A pole vaulter starting at rest travels at a rate of 10.5 feet per second for 20
seconds, calculate acceleration.
a. | 0.51 ft/sec^2 | c. | 0.53 ft/sec^2 | b. | 0.52 ft/sec^2 | d. | 0.54 ft/sec^2 |
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19.
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The worlds fastest 40 yard time was ran in 4.2 seconds, calculate
acceleration.
a. | 6.5 ft/sec^2 | c. | 6.7 ft/sec^2 | b. | 6.6 ft/sec^2 | d. | 6.8 ft/sec^2 |
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20.
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Calculate the acceleration of an object if the object has a mass of 2300 lbs and
a force of 15000 ft lbs/sec^2.
a. | 6.3 ft/sec^2 | c. | 6.5 ft/sec^2 | b. | 6.4 ft/sec^2 | d. | 6.6 ft/sec^2 |
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21.
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If a rubber band racer has a mass of 23.5 lbs and is able to travel a 50 foot
track in 2.5 seconds, calculate the force acting upon the rubber band racer.
a. | 188 ft lbs/sec^2 | c. | 192 ft lbs/sec^2 | b. | 190 ft lbs/sec^2 | d. | 194 ft
lbs/sec^2 |
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22.
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Convert 1200 ft/sec into KmPH.
a. | 1319.4 KmPH | c. | 1398.1 KmPH | b. | 1317.6 KmPH | d. | 1318.4 KmPH |
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23.
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Convert 1450 ft/sec in KmPH.
a. | 1592.5 KmPH | c. | 1587.3 KmPH | b. | 1593.9 KmPH | d. | 1592.0 KmPH |
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24.
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If a runner travels 1 mile in 6 minutes, calculate feet per second.
a. | 14.7 ft/sec | c. | 14.2 ft/sec | b. | 15.6 ft/sec | d. | 14.5 ft/sec |
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25.
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If a rubber band car travels 15 feet in 2 seconds, calculate MPH.
a. | 5.1 MPH | c. | 4.7 MPH | b. | 5.7 MPH | d. | 5.9 MPH |
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26.
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If a rubber band racers travels 56.7 feet in 30.5 seconds, calculate MPH.
a. | 1.5 MPH | c. | 2.3 MPH | b. | 1.9 MPH | d. | 1.7 MPH |
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27.
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If a runner travels 10 kilometers in 30 minutes, calculate KmPH.
a. | 15.6 KmPH | c. | 20.0 KmPH | b. | 37.4 KmPH | d. | 12.5 KmPH |
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Matching
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a. | brainstorming | f. | prototype | b. | communicate and
test | g. | set of steps | c. | constraints | h. | sketches and
models | d. | eningeering design process | i. | transform | e. | personal characteristics |
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28.
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The ___________________________________
includes identifying a problem, looking for ideas, developing solutions, and sharing solutions with
others.
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29.
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Expressing ideas to others using
_________________________________ is an important part of the design process.
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30.
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Design involves a
___________________________________, which can be performed in different sequences and
repeated as needed.
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31.
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A group problem-solving design process in which
each person contributes ideas for possible solutions is called
____________________________.
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32.
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Modeling and testing are used to
__________________________ ideas into practical solutions.
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33.
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A ___________________________________ is a
working model used to test a design concept.
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34.
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Models are used to
___________________________________ design ideas and processes.
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a. | Force | e. | Gravity | b. | Energy | f. | Mechanical Technology | c. | Efficiency | g. | Power | d. | Friction | h. | Work |
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35.
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A push or pull
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36.
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The propertiy of a system that enables it to do work
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37.
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The product of a force applied to an object and the distance the object
moves
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38.
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The attractive force acting at a distance between two or more masses
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39.
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The force that acts in the opposite direction relative to an object in
motion.
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40.
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The technology of puttting together moving parts to producce, control , and
transmit motion
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a. | Define the Problem | g. | Developing a Design Proposal | b. | Brainstorm | h. | Making a Model or Prototype | c. | Researching and Generating
Ideas | i. | Testing and
Evaluating the Design using Specification | d. | Identifying Criteria and Specifying
constraints | j. | Refining the
Design | e. | Exploring Possible Solutions | k. | Creating or Making the
Solution | f. | Selecting an Approach | l. | Communicating Processes and Results |
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41.
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Using electronic or print source to gather information related to the problem.
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42.
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Clearly describing the chosen solution using words and drawings.
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43.
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Building the actual product that will be sold or used by the client.
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44.
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Running a simulation or performance test to collect data about your solution to
detemine if it meets the identified requirements.
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45.
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Developing a list of requirements and limitations that the final solution must
meet.
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46.
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Sharing and recording all thoughts about how the problem might be
solved.
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47.
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Choosing the one design that you think will solve the problem best.
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48.
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Making changes and improvements to the design based on test results
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49.
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Presenting your design and design process of approval or future
reference.
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50.
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Creating a three-dimensional, two-dimensional, or electronic representation of
as design solutions.
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51.
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Clearify the given situation by restating the need in your own words.
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52.
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Generating sketches of several different designs that might work.
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