Classification of Materials MCQ’s

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This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Classification of Materials”.

1. Steels mainly contain iron and carbon. Under which of the following categories do they belong?
a) Metallic Solid
b) Polymer
c) Composites
d) Ceramics

2. GFRP is an important composite. It stands for
a) Gelatin Fibre Reinforced Polymer
b) Graphite Fibre Reinforced Polymer
c) Germanium Fibre Reinforced Polymer
d) Glass Fibre Reinforced Polymer

3. In terms of which of the following properties, metals are better than ceramics?
a) Hardness
b) Ductility
c) Toughness
d) Yield Strength

4. Ceramics make excellent refractory materials. A material is said to be refractory if it:
a) resists the flow of electric current
b) has high refractive index
c) retains its strength at high temperatures
d) all of the mentioned

5. Which of the following is true for polymers?
a) They have very high molecular mass
b) They do not have a linear stress-strain curve
c) They have high strength to mass ratio
d) All of the mentioned

6. Calcium is an isobar of Argon. They differ in:
a) Atomic weight
b) Number of nucleons
c) Number of neutrons
d) None of the mentioned

7. Which of the following cannot be used as bio-materials?
a) Metals
b) Ceramics
c) Polymers
d) None of the mentioned

8. Various isotopes of a given element have same:
a) Number of protons
b) Number of neutrons
c) Molar mass
d) Thermodynamic stability

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