MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Aerospace Materials and Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the total permissible elongation for a gage length of 5.08cm? |
| A. | 5080 cm |
| B. | 0.00508 cm |
| C. | 0.508 cm |
| D. | 0.000508 cm |
| Answer» E. | |
| 2. |
The ability of a material to resist permanent distortion or penetration is called as _______ |
| A. | hardness |
| B. | yield point |
| C. | malleability |
| D. | elongation |
| Answer» B. yield point | |
| 3. |
The modulus of elasticity of a material can be described as ________ |
| A. | the product of stress and strain |
| B. | the ratio of stress to strain |
| C. | the product of yield point and strain |
| D. | the ratio of change in length to original length |
| Answer» C. the product of yield point and strain | |
| 4. |
The load obtained in a tension test is 500N and the original cross sectional area is 250m2 what is the tensile strength of the material? |
| A. | 5 m |
| B. | 25 N/m<sup>2</sup> |
| C. | 2 N/m<sup>2</sup> |
| D. | 20 m |
| Answer» D. 20 m | |
| 5. |
The property of a material involving transmitting of heat or electricity is known as _________ |
| A. | expansion |
| B. | stress |
| C. | contraction |
| D. | conduction |
| Answer» E. | |
| 6. |
If a material is loaded beyond its elastic limit _________ |
| A. | it returns back to it s original shape |
| B. | it acquires softness |
| C. | it is permanently distorted |
| D. | it turns to liquid |
| Answer» D. it turns to liquid | |
| 7. |
Steel is one of the few materials that has a definite yield point. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The tendency of a material to fracture without changing it s shape is known as ______ |
| A. | brittleness |
| B. | hardness |
| C. | elasticity |
| D. | carburizing |
| Answer» B. hardness | |
| 9. |
A material elongated to 35m due to certain conditions. If it s initial length is 7m, what is the strain of the material? |
| A. | 21m |
| B. | 5m |
| C. | 7m |
| D. | 35m |
| Answer» C. 7m | |
| 10. |
Why do metals contract and expand? |
| A. | Due to cooling and heating |
| B. | Due to displacement |
| C. | Due to repairs |
| D. | Due to false recognition |
| Answer» B. Due to displacement | |
| 11. |
What is the temperature at which steel fuses? |
| A. | 1100 F |
| B. | 200K |
| C. | 2500 F |
| D. | 3500 F |
| Answer» D. 3500 F | |
| 12. |
Which of the following property of a material is preferred in the construction of an aircraft? |
| A. | Ductility |
| B. | Elasticity |
| C. | Hardness |
| D. | High density |
| Answer» E. | |
| 13. |
Hardness is inversely proportional to strength. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
The property of being liquefied due to heat is known as ______ |
| A. | stress |
| B. | contraction |
| C. | normalizing |
| D. | fusibility |
| Answer» E. | |