What is a composite material?

• A material made from two or more constituent materials

• A single element material

• A type of metal only

• A material that cannot be combined

Which of the following is an example of a Metal-Matrix composite?

• Thermoplastic resin

• Cemented carbides

• Aluminium oxide

• Silicon carbide

What is the most widely used polymer in Polymer-Matrix composites?

• Polyethylene

• Thermosetting resin

• Polyvinyl chloride

• Polypropylene

Which composite is least common?

• Glass-Matrix composites

• Metal-Matrix composites

• Ceramic-Matrix composites

• Polymer-Matrix composites

What is one advantage of composite materials?

• They are always more expensive

• They cannot be molded

• They can be stronger than traditional materials

• They are heavier than metals

Which of the following is a characteristic of composites?

• They are always thermoplastic

• They cannot be reinforced

• They have distinct individual components

• They are made from a single material

What type of composite uses epoxy and fiber reinforcement?

• Glass-Matrix composites

• Polymer-Matrix composites

• Metal-Matrix composites

• Ceramic-Matrix composites

Which material is commonly mixed with powders in composites?

• Silicon

• Copper

• Phenolic

• Aluminium

What is a common application of composites?

• Manufacturing only metals

• Creating lightweight and strong materials

• Building single-material structures

• Producing ceramics exclusively

What is the role of fibers in composites?

• To make them less expensive

• To improve properties

• To reduce weight

• To eliminate distinct components