Answers to essential questions from Unit 2.4



1. A design brief is a written plan that identifies a problem to be solved, its criteria, and its constraints. The design brief is used to encourage thinking of all aspects of a problem before attempting a solution.



2. A design process is important to follow because it helps makes sure all stages are completed. In addition, it helps insure that the problem will be answered in an amount of time agreed upon in the design brief. Thirdly, if you are applying for a patent, it will show complete documentation from start to end in a systematic order. Lastly, it helps the engineers and other participants focus on the current stage, and produce the best product in a certain time frame.



3. The purpose of design constraints is to maintain trueness to the design intent.



4. A Decision matrix is a means to determine the best design based on criteria pre-selected and viewed as important.



5. A consensus is a "general or widespread agreement." It occurs when a group of people come to a general conclusion or decision.



6. Visual design principles and elements are used to capture a consumer’s attention through widespread focus on getting the consumers attention and to show how it relates to the consumer and how it provokes feelings and emotions in the consumer.



7. The design of a consumer product is different from then the design of a product used to help a manufacturing process because the aesthetics and marketability of the product is taken into more consideration.



8. Fluid power is energy transmitted and controlled by means of a pressurized fluid, either liquid or gas.



9. Hydraulics uses oil or liquid whereas pneumatic uses air pressure.



10. Fluid power is used to transport, excavate and lift materials as well as control or power mobile equipment. Industries that use fluid power include construction, agriculture, marine and the military.



6/28/11


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