Composites #1

Which of the following materials is commonly used as a reinforcement in composite materials?

• Wood

• Steel

• Carbon fiber

• Glass

What is the role of the matrix material in a composite?

• To provide strength and stiffness

• To bond the reinforcement materials together

• To improve electrical conductivity

• To enhance heat resistance

Which manufacturing process involves placing layers of reinforcement material by hand onto a mold?

• Filament winding

• Resin transfer molding

• Autoclave processing

• Hand lay-up

Which property of composite materials allows for weight reduction in various applications?

• High electrical conductivity

• High thermal expansion

• Low density

• High magnetic permeability

Which type of composite material is made up of a polymer matrix and carbon fiber reinforcement?

• Metal matrix composite

• Ceramic matrix composite

• Carbon-carbon composite

• Polymer matrix composite

Which joining technique is commonly used to bond composite materials together?

• Welding

• Riveting

• Adhesive bonding

• Soldering

What is the term used to describe the separation or splitting of layers in a composite material?

• Delamination

• Crystallization

• Oxidation

• Erosion

Which advanced manufacturing technique is known for its ability to create complex geometries with minimal waste?

• Injection molding

• Additive manufacturing (3D printing)

• Extrusion

• Compression molding

Which factor should be considered when selecting a composite material for a specific application?

• Cost-effectiveness

• Color options

• Availability of sizes

• Weather resistance

Which non-destructive testing method is commonly used for inspecting composite materials?

• Magnetic particle testing

• X-ray imaging

• Hardness testing

• Tensile testing