PLTW 2.1.2 - Hold it Together UPDATED Exam Questions and CORRECT Answers
Adhesives - ANS • a substance that, when applied to the contact surfaces of two separate components, binds them together and resists their separation. • commonly referred to as glue, paste, or cement. Such as chemistry type, structural versus non-structural, or cure mechanism - ANS *Adhesives* Adhesives can be classified in many ways: 1. Substrates. What materials are you bonding together? 2. Environment. What conditions will exist during the bonding process? What conditions will exist when put into use 3. Load. What stresses (magnitude and direction) will be applied to the joint? What type of load will be applied (repetitive, dynamic, constant, and so on)? 4. Cost. What is the cost in terms of materials and production? - ANS *Adhesives* Choosing an effective adhesive for a particular application requires consideration of severa
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pltw 212 hold it together
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