Practice Thermal Tests (9.2) - Classification of Plastics - Civil Engineering Materials, Testing & Evaluation - Vol 2

Practice: Thermal Tests

Lesson 9.2Classification of Plastics

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9 questions

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3 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
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6 sample questions

Question 1.
What does the Vicat Softening Temperature indicate?
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Think about when plastic starts to lose its shape.
Question 2.
What is the purpose of Thermogravimetric Analysis?
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Consider how materials react to heat.
3Question 3.
What does the Vicat Softening Temperature measure?
- The temperature at which plastic melts
- The temperature at which plastic begins to soften
- The temperature at which plastic combusts
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Think about the initial change in plastic due to heat.
4Question 4.
True or False: The Heat Deflection Temperature measures how plastic deforms under load.
- True
- False
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Consider how weight affects material shape.
Question 5.
A toy manufacturer wants to design thermal-resistant toys for summer use. Discuss which thermal tests would be most important and why.
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Think about the temperatures expected in summer.
Question 6.
An engineer is assessing a thermoplastic intended for automotive components. They find low TGA results. What implications does this have?
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Balance performance under heat with longevity.

5 more questions in this section. Enroll free to practise them all.