Free CCT Composite Materials & Fabrication Processes Questions and Answers

Question 1

What is a primary characteristic of composite materials?

Accepted Answer

Combine materials for enhanced properties

Answer

Composed of a single material

Answer

Always heavier than metals

Answer

Less durable than plastics

Question 2

Which reinforcement is most commonly used in composites?

Accepted Answer

Carbon fiber

Answer

Steel

Answer

Glass beads

Answer

Rubber

Question 3

What is the function of the matrix in composites?

Accepted Answer

Binds fibers and distributes loads

Answer

Provides color

Answer

Adds weight

Answer

Absorbs moisture

Question 4

Which fabrication process uses hand placement of fibers with resin?

Accepted Answer

Hand layup

Answer

Filament winding

Answer

Pultrusion

Answer

Compression molding

Question 5

What is vacuum infusion used for in composite fabrication?

Accepted Answer

Drawing resin through fibers with vacuum

Answer

Manual resin application

Answer

Heat curing

Answer

Cutting composite parts

Question 6

What type of defect can occur if curing is incomplete?

Accepted Answer

Soft or tacky surfaces

Answer

Hard surfaces

Answer

Increased strength

Answer

Color change only

Question 7

Which inspection method uses visible light to detect surface defects?

Accepted Answer

Visual inspection

Answer

Ultrasonic testing

Answer

X-ray

Answer

Magnetic particle inspection

Question 8

What is the purpose of sanding in composite finishing?

Accepted Answer

To smooth surfaces

Answer

To roughen surfaces

Answer

To cut parts

Answer

To add weight

Question 9

What does post-curing accomplish in composite fabrication?

Accepted Answer

Increases strength and thermal stability

Answer

Decreases strength

Answer

Softens parts

Answer

Removes fibers