Entc 281 exam - Study guides, Class notes & Summaries

ENTC 281 exam 2 Question and answers 2023/2024 verified to pass additives - correct answer use to improve of extend the properties of plastics antistatic agents - correct answer static charges may be dissipated by the addition of ? four types of colorants - correct answer dyes, organic pigments, inorganic pigments, special-effects pigments dyes - correct answer which colorant dissolves into the plastics material?

A highly toxic, colorless, odorless gas is named ______. - correct answer Carbon Monoxide Combustible liquids are those with flash points at or above ________ degree celsius. - correct answer 38 Name three natural materials that may be more toxic than plastics. - correct answer Silk, wood and wool Name three broad categories of hazards in working with industrial materials. - correct answer Physical, biomedical and chemical The overheating of ______ plastics may cause polymer-fume fev...

Why was machine manufacture of horn combs often unsuccessful? - correct answer -Pieces of horn were not flat or uniform in thickness. Why weren't daguerreotype cases made from horn or horn powders? - correct answer -Horn does not flow easily and consequently it does not pick up fine details in a mold Casein comes from - correct answer -Milk curd Moderately nitrated nitrocellulose is called - correct answer -Pyroxylin What is the difference between collodion and moderately nitrated ...

additives - correct answer -use to improve of extend the properties of plastics antistatic agents - correct answer -static charges may be dissipated by the addition of ? four types of colorants - correct answer -dyes, organic pigments, inorganic pigments, special-effects pigments dyes - correct answer -which colorant dissolves into the plastics material? organic dyes - correct answer -poor thermal and light stability is a major disadvantage of this flexibility - correct answer -pl...

ENTC 281 exam 2additives - correct answer use to improve of extend the properties of plastics antistatic agents - correct answer static charges may be dissipated by the addition of ? four types of colorants - correct answer dyes, organic pigments, inorganic pigments, special-effects pigments dyes - correct answer which colorant dissolves into the plastics material? organic dyes - correct answer poor thermal and light stability is a major disadvantage of this flexibility - correct ...

A highly toxic, colorless, odorless gas is named ______. - correct answer Carbon Monoxide Combustible liquids are those with flash points at or above ________ degree celsius. - correct answer 38 Name three natural materials that may be more toxic than plastics. - correct answer Silk, wood and wool Name three broad categories of hazards in working with industrial materials. - correct answer Physical, biomedical and chemical The overheating of ______ plastics may cause polymer-fume fev...

Why was machine manufacture of horn combs often unsuccessful? - correct answer -Pieces of horn were not flat or uniform in thickness. Why weren't daguerreotype cases made from horn or horn powders? - correct answer -Horn does not flow easily and consequently it does not pick up fine details in a mold Casein comes from - correct answer -Milk curd Moderately nitrated nitrocellulose is called - correct answer -Pyroxylin What is the difference between collodion and moderately nitrated ...

Why was machine manufacture of horn combs often unsuccessful? - Answer Pieces of horn were not flat or uniform in thickness. Why weren't daguerreotype cases made from horn or horn powders? - Answer Horn does not flow easily and consequently it does not pick up fine details in a mold Casein comes from - Answer Milk curd Moderately nitrated nitrocellulose is called - Answer Pyroxylin What is the difference between collodion and moderately nitrated nitrocellulose? - Answer Collodion i...

additives - correct answer -use to improve of extend the properties of plastics antistatic agents - correct answer -static charges may be dissipated by the addition of ? four types of colorants - correct answer -dyes, organic pigments, inorganic pigments, special-effects pigments dyes - correct answer -which colorant dissolves into the plastics material? organic dyes - correct answer -poor thermal and light stability is a major disadvantage of this flexibility - correct answer -pl...

ENTC 281 Exam 2 B