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This section includes 10 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. |
The critical range of steel is between ______ |
A. | 1300 F and 1600 F |
B. | 2400 F and 2600 F |
C. | 900 F and 2800 F |
D. | 900 F and 2400 F |
Answer» B. 2400 F and 2600 F | |
2. |
Which heat treatment method is also called as drawing ? |
A. | Tempering |
B. | Casehardening |
C. | Annealing |
D. | Normalizing |
Answer» B. Casehardening | |
3. |
In the process of the hardening of aluminum alloys, what is the temperature above which it should be heated? |
A. | 1200 F |
B. | 600 F |
C. | 2400 F |
D. | 900 F |
Answer» E. | |
4. |
Normalizing is a heat treatment carried out on all metals. |
A. | True |
B. | False |
Answer» C. | |
5. |
In the process of hardening of steel, the metal has to be heated to a temperature ______ the critical range. |
A. | below |
B. | half |
C. | above |
D. | around |
Answer» D. around | |
6. |
Casehardening refers to _________ the material, after which necessary heat treatment is done to it. |
A. | annealing |
B. | critical range |
C. | carburizing |
D. | hardening |
Answer» D. hardening | |
7. |
Annealing a metal ________ its internal strains. |
A. | doesn t affect |
B. | removes |
C. | increases |
D. | doubles |
Answer» C. increases | |
8. |
Carburizing is ideally carried out on steels that have less than __________ carbon content. |
A. | 90% |
B. | 50% |
C. | 10% |
D. | 25% |
Answer» E. | |
9. |
Quenching involves submerging a heated metal in a liquid to speed up its cooling process. |
A. | True |
B. | False |
Answer» B. False | |
10. |
What is the effect of heat treatment on a metal? |
A. | Improvement in availability |
B. | Improved physical properties |
C. | Decreased color |
D. | Decreased availability |
Answer» C. Decreased color | |