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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials and Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
1. |
What amount of principle reinforcement materials is used in pultrusion process? |
A. | 10-20% |
B. | 25-35% |
C. | 40-70% |
D. | 75-90% |
Answer» D. 75-90% | |
2. |
Manufacturing of components having continuous lengths and the constant cross-sectional shape is done by _____ process. |
A. | Roving |
B. | Pultrusion |
C. | Curing |
D. | Pulling |
Answer» C. Curing | |
3. |
What is the purpose of fiberglass that is made as a thread? |
A. | Insulating material |
B. | Conductive material |
C. | Heat resistant |
D. | Cloth |
Answer» E. | |
4. |
Fiberglass materials have a usable temperature up to ______ |
A. | 50<sup>o</sup>C |
B. | 100<sup>o</sup>C |
C. | 200<sup>o</sup>C |
D. | 500<sup>o</sup>C |
Answer» D. 500<sup>o</sup>C | |
5. |
How much SiO2 is present in the glass which is drawn into fibers? |
A. | 55% |
B. | 15% |
C. | 10% |
D. | 4% |
Answer» B. 15% | |
6. |
Which of the following is not a characteristic trait of composite materials? |
A. | High strength, toughness, modulus |
B. | Lightweight |
C. | Easy to assemble |
D. | Sensitive to temperature change |
Answer» E. | |
7. |
Kevlar is a ______ type of material. |
A. | Glass |
B. | Thermoplastic |
C. | Whisker |
D. | Polymer |
Answer» E. | |
8. |
Which of the following materials are common for whiskers? |
A. | Graphite, silicon carbide |
B. | Glass, boron |
C. | Steel, tungsten |
D. | Polymers, ceramics |
Answer» B. Glass, boron | |
9. |
The classification of fibers having thin crystals is known as _______ |
A. | Whisker |
B. | Fiber |
C. | Wires |
D. | Matrix |
Answer» B. Fiber | |
10. |
How is the critical length or a composite material defined? |
A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3a.png"><img alt="The critical length or a composite material defined - option a" class="size-full wp-image-239172" height="64" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3a.png" width="82"/></a> |
B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3b.png"><img alt="The critical length or a composite material defined - option b" class="size-full wp-image-239173" height="62" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3b.png" width="91"/></a> |
C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3c.png"><img alt="The critical length or a composite material defined - option c" class="size-full wp-image-239174" height="61" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3c.png" width="83"/></a> |
D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3d.png"><img alt="The critical length or a composite material defined - option d" class="size-full wp-image-239175" height="44" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3d.png" width="89"/></a> |
Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3c.png"><img alt="The critical length or a composite material defined - option c" class="size-full wp-image-239174" height="61" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q3c.png" width="83"/></a> | |
11. |
Which of the following structures represents that of a fiber composite? |
A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q2a.png"><img alt="The following structures represents that of a fiber composite - option a" class="alignnone size-full wp-image-212971" height="145" sizes="(max-width: 305px) 100vw, 305px" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q2a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q2a.png 305w, https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q2a-300x143.png 300w" width="305"/></a> |
B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q2a.png"><img alt="The following structures represents that of a fiber composite - option b" class="alignnone size-full wp-image-212971" height="145" sizes="(max-width: 305px) 100vw, 305px" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q2a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q2a.png 305w, https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-mcqs-q2a-300x143.png 300w" width="305"/></a> |
C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2c.png"><img alt="The following structures represents that of a fiber composite - option c" class="alignnone size-full wp-image-200492" height="162" sizes="(max-width: 305px) 100vw, 305px" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2c.png 305w, https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2c-300x159.png 300w" width="305"/></a> |
D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2d.png"><img alt="The following structures represents that of a fiber composite - option d" class="alignnone size-full wp-image-200493" height="166" sizes="(max-width: 305px) 100vw, 305px" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2d.png 305w, https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2d-300x163.png 300w" width="305"/></a> |
Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2d.png"><img alt="The following structures represents that of a fiber composite - option d" class="alignnone size-full wp-image-200493" height="166" sizes="(max-width: 305px) 100vw, 305px" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2d.png 305w, https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-fibre-reinforced-composites-q2d-300x163.png 300w" width="305"/></a> | |
12. |
The continuous phase of a composite material is known as its _______ |
A. | dispersed phase |
B. | surrounding phase |
C. | matrix phase |
D. | fiber phase |
Answer» D. fiber phase | |