MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
As the amount of carbon in steel increases, its ___________ decreases. |
| A. | range of heat treatment |
| B. | toughness |
| C. | ultimate strength |
| D. | hardness |
| Answer» C. ultimate strength | |
| 2. |
As the amount of carbon in steel increases, its ____________ increases. |
| A. | ductility |
| B. | impact resistance |
| C. | hardness |
| D. | weldability |
| Answer» D. weldability | |
| 3. |
The steel S.A.E 1025 has an ultimate tensile strength of __________ |
| A. | 12,000 p.s.i |
| B. | 6,000 p.s.i |
| C. | 55,000 p.s.i |
| D. | 22,000 p.s.i |
| Answer» D. 22,000 p.s.i | |
| 4. |
Mild ___________ steel is used for aircraft nuts. |
| A. | phosphorus |
| B. | nickel |
| C. | silicon |
| D. | carbon |
| Answer» E. | |
| 5. |
A material that requires __________ heat-treatment is preferred over a material that requires a ___ of heat-treatment. |
| A. | less, higher amount |
| B. | a high, lower amount |
| C. | a moderate, lower amount |
| D. | high, no amount |
| Answer» B. a high, lower amount | |
| 6. |
Silico-manganese steels have advantageous __________ resistance. |
| A. | chromium |
| B. | tensile |
| C. | impact |
| D. | clutch |
| Answer» D. clutch | |
| 7. |
The amount of carbon present in wrought iron is ___________ |
| A. | 3% to 4% |
| B. | Trace to 0.08% |
| C. | 0.30% to 0.70% |
| D. | 2.2% to 4.5% |
| Answer» C. 0.30% to 0.70% | |
| 8. |
A nickel-chromium alloy can maintain its ductility even after being heat-treated it to an ultimate tensile strength of 250,000 p.s.i. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
A large amount of sulphur is present in the steel. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
The amount of carbon present in low carbon steels is ___________ |
| A. | 5% to 7% |
| B. | 0.70% to 2.2% |
| C. | 0.10% to 0.30% |
| D. | 0.6% to 0.8% |
| Answer» D. 0.6% to 0.8% | |
| 11. |
The steel being used in the construction of aircraft must be ___________ to fabricate. |
| A. | moderate |
| B. | difficult |
| C. | impossible |
| D. | easy |
| Answer» E. | |