Polymers

What are plastics typically made of?

• Silicon + Nitrogen

• Gold + Silver

• Iron + Oxygen

• Carbon + Hydrogen

Which class of plastic can be reshaped multiple times using heat?

• Acrylonitrile Butadiene Styrene

• Thermoplastic

• Polyethylene Teraphthalate

• Thermosetting Plastic

What is the main constituent of high-pressure laminates like Formica?

• Polyethylene Teraphthalate

• Poly Methyl Methacrylate

• Polyvinyl Chloride

• Melamine Formaldehyde

Which plastic is commonly used in the production of circuit boards?

• Polyethylene Teraphthalate

• Polypropylene

• Phenol Formaldehyde

• Polyvinyl Chloride

What is the main use of Poly Methyl Methacrylate (PMMA)?

• Signage

• Kitchen utensils

• Toys

• Automotive components

Which plastic is resistant to aqueous acids, alkalis, and concentrated hydrochloric acids?

• Acrylonitrile Butadiene Styrene

• Polypropylene

• High Impact Polystyrene

• Polyethylene Teraphthalate

What is the main use of Glass Reinforced Polyester (GRP)?

• Automobiles

• Textiles

• Toys

• Kitchen utensils

Which plastic forming process involves heating a thermoplastic sheet until it becomes soft and pliable?

• Compression Moulding

• Line Bending

• Vacuum Forming

• Extrusion

What is the main use of Urea Formaldehyde (UF) resin?

• Circuit boards

• Kitchen worktops

• Moulded objects

• High-pressure laminates

Which plastic is the third most widely produced after polyethylene and polypropylene?

• Polypropylene

• Polyethylene Teraphthalate

• Polyvinyl Chloride

• Poly Methyl Methacrylate