Topic 6: Thermoset

Topic 6: Thermoset

University

8 Qs

quiz-placeholder

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Topic 6: Thermoset

Topic 6: Thermoset

Assessment

Quiz

Science

University

Hard

Created by

Jiramate Thatsanakunlaphan

Used 7+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What is Thermoset?

Polymer that forms a cross-linked molecular lattice

It cannot be melted for reuse

Poor resistant to heat and chemical reactions

All of them

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a thermoset?

Epoxy resins

Urea-formaldehyde resins

Polybutadiene

Polyurethane

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the properties of Urea-formaldehyde resins?

Poor water absorption

Poor electrical insulator only at low frequencies.

Poor resistance to organic substances

None of them

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Melamine-formaldehyde resins are prepared from which monomers?

Melamine

Urea

Formaldehyde

Glycerol

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who was the first to synthesize Alkyd resins?

The Hulk

Peter Parker

Dr. Strange

J. Smith.

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Epoxy resins are prepared from which monomers?

Bisphenol A

Epichlorohydrin

Melamine

Urea

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the applications of Epoxy resins?

Encapsulate electrical

Surface coatings

Adhesives and adhesives

All of them

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the applications of Polyurethane?

Bottles

Seat cushions

Plastic bag

All of them