MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Vanadium alloys do not have a trace of chromium in them. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Tools that are made of tungsten-chromium contain _____ of tungsten. |
| A. | 2% to 4% |
| B. | 5% to 10% |
| C. | 20% to 25% |
| D. | 14% to 18% |
| Answer» E. | |
| 3. |
Molybdenum decreases the ___________ of material. |
| A. | elastic limit |
| B. | grain size |
| C. | homogeneity |
| D. | impact value |
| Answer» C. homogeneity | |
| 4. |
Chromium has a __________ melting point. |
| A. | Low |
| B. | High |
| C. | Medium |
| D. | Average |
| Answer» C. Medium | |
| 5. |
__________ element is responsible for cold shortness . |
| A. | Manganese |
| B. | Carbon |
| C. | Phosphorus |
| D. | Sulphur |
| Answer» D. Sulphur | |
| 6. |
Medium carbon steels are preferred when both ___________ strength and __________ is necessary. |
| A. | no, brittle nature |
| B. | good, brittle nature |
| C. | no, ductility |
| D. | good, ductility |
| Answer» E. | |
| 7. |
Tungsten steels exhibit a property called red hardness . |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The amount of carbon present in high carbon steel is __________ |
| A. | 0.10% to 0.30% |
| B. | 2.2% to 4.5% |
| C. | 0.70% to 2.2% |
| D. | 12% to 13% |
| Answer» D. 12% to 13% | |
| 9. |
Manganese has a property known as penetration ____________ |
| A. | softness |
| B. | hardness |
| C. | medium |
| D. | ductility |
| Answer» C. medium | |
| 10. |
___________ steel is required when high hardness is desired and ductility is not crucial. |
| A. | High-carbon steel |
| B. | Low-carbon steel |
| C. | Medium-carbon steel |
| D. | Wrought iron |
| Answer» B. Low-carbon steel | |
| 11. |
The atomic weight of stainless steel is __________ |
| A. | 60 |
| B. | 26.97 |
| C. | 55.84 |
| D. | 47.9 |
| Answer» D. 47.9 | |
| 12. |
The atomic number of stainless steels is _________ |
| A. | 13 |
| B. | 22 |
| C. | 26 |
| D. | 3 |
| Answer» D. 3 | |
| 13. |
The density of stainless steel is __________ |
| A. | 4.5 gm. Per c.c |
| B. | 6.8 gm. Per c.c |
| C. | 2.8 gm. Per c.c |
| D. | 7.92 gm. Per c.c |
| Answer» E. | |