Entc 206 test 2 Study guides, Class notes & Summaries

Entc 206- Test 2 Question and answers 2023/2024 verified to passPolymer - correct answer is a substance composed of molecules with large molecular mass made up of repeating structural units, or monomers, connected by covalent chemical bonds. Synthetic - correct answer describing a substance that has been made artificially thru chemical synthesis; one that does not come from a natural source. Synthetic Polymers - correct answer Fiber, Plastics, Elastomers (or Rubber), protective Coating,...

Entc 206- Test 2Polymer - correct answer is a substance composed of molecules with large molecular mass made up of repeating structural units, or monomers, connected by covalent chemical bonds. Synthetic - correct answer describing a substance that has been made artificially thru chemical synthesis; one that does not come from a natural source. Synthetic Polymers - correct answer Fiber, Plastics, Elastomers (or Rubber), protective Coating, Adhesives. What raw material are polymers ma...

ENTC 206 Lab PracticalASTM - correct answer American Society for Testing and Materials ISO - correct answer International Organization for Standardization What is a resistor made of? - correct answer Al2O3 + metal or metal oxide layer What is a knife/peeler made of? - correct answer Al2O3 or (SiC or Si3N4) What is aerogel? - correct answer good thermal insulator What is an ignitor? - correct answer made of Si3N4 or SiC high electrical conductivity at high temp. What is S...

ENTC 206 Test #1endurance limit - correct answer stress level that fatigue failure will not occur below hardness - correct answer measure of a material's resistance to penetration tensile test - correct answer standard testing method used to generate the stress-strain relationship creep - correct answer continued plastic deformation under a constant load and more prominently with elevated temperature; material may stretch & eventually fail at an applied stress BELOW its yield strength;...