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PKSC 1020 – Midterm Exam 2025 Questions and Answers The raw material of aluminum is - ....ANSWER☑️☑️...-bauxite The raw material for steel is - ....ANSWER☑️☑️...-iron Thermoset plastics... - ....ANSWER☑️☑️...-when exposed to high temperatures, has bonds that are set and CAN'T be unlocked 2 piece can - ....ANSWER☑️☑️...-what type of can is this? * What is the top type of seam called? - ....ANSWER☑️☑️...-double hook seam A disadvantage of using glass in packaging is: - ....ANSWER☑️☑️...-- energy intensive manufacturing process - heavy - breakable The raw material for glass is - ....ANSWER☑️☑️...-sand What commonly used plastic was developed in 1930? - ....ANSWER☑️☑️...Polyethylene This method of sealing (double seam) the body of a can to the top is used on: ....ANSWER☑️☑️...-two piece and three piece cans All petroleum based plastics are based chemically on what element? ....ANSWER☑️☑️...-Carbon Steel cans are coated to: - ....ANSWER☑️☑️...-precent corrosion of the metal FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 1