
Quiz on Plastics and Composite Materials
Authored by José Luis Endrino Armenteros
Physics
University
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary method used to shape thermoplastics?
3D Printing
Casting
Blow Molding
Injection Molding
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of mold is the simplest and most common in injection molding?
Hot-runner mold
Cold-runner, two-plate mold
Cold-runner, three-plate mold
Vacuum mold
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a significant drawback of using thermosetting plastics in injection molding?
Lower strength
Increased flexibility
Higher production rates
Longer cycle times
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a type of composite material?
Fiberglass
Wood
Carbon Fiber
Aluminum
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using traditional metalworking techniques for shaping plastics?
Higher production rates
Lower costs
Similar stock shapes
Increased waste
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary component that surrounds and bonds together the reinforcement in a composite material?
Reinforcement
Matrix
Binder
Filler
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical pressure range developed in injection molding?
200 to 300 MPa
70 to 200 MPa
50 to 100 MPa
10 to 50 MPa
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