ENTC 281 test 2 question n answers graded A+ 2023

ENTC 281 test 2A highly toxic, colorless, odorless gas is named - correct answer CO Carbon monoxide. Combustible liquids are those with flash points at or above - correct answer 38C Name three natural materials that may be more toxic than plastics. - correct answer Cobalt, nickel, silica. Silk, wood, wool. Name three broad categories of hazards in working with industrial materials. - correct answer Biomechanical Hazards Chemical Hazards Physical Hazards The overheating of ? plastics may cause polymer-fume fever with flu-like symptoms. - correct answer fluoroplastics Liquids that have a flash point below 38°C are called ? - correct answer Flammable What is the ignition temperature of cellulose acetate plastics dust? - correct answer 420C 788F Many plastics degrade when overheated. Name one that releases gaseous hydrochloric acid when heated. - correct answer PVC What time period is attached to a STEL? - correct answer Short-term exposure limit