MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
Gun-metal contains around _______________ copper. |
| A. | 9-11% |
| B. | 0.2% |
| C. | 86-89% |
| D. | 5-10% |
| Answer» D. 5-10% | |
| 2. |
Red brass contains ______________ of zinc. |
| A. | 40-50% |
| B. | 4-6% |
| C. | 1-2% |
| D. | 30-35% |
| Answer» C. 1-2% | |
| 3. |
Gun-metal should not be utilized in temperatures above __________ |
| A. | 260 C |
| B. | 550 C |
| C. | 260 F |
| D. | 150 F |
| Answer» B. 550 C | |
| 4. |
Aluminium bronze is a type of bronze where aluminium is one of the dominant elements. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Naval brass has __________ strength compared to commercial brass. |
| A. | lower |
| B. | better |
| C. | similar |
| D. | lenient |
| Answer» C. similar | |
| 6. |
Gun-metal (casting) has a yield point of ____________ |
| A. | 30,000 pound-force per square inch |
| B. | 15,000 pound-force per square inch |
| C. | 6000 pound-force per square inch |
| D. | 1000 pound-force per square inch |
| Answer» C. 6000 pound-force per square inch | |
| 7. |
Naval brass contains around ____________ of lead. |
| A. | 0.5% |
| B. | 0.10% |
| C. | 0.20% |
| D. | 10% |
| Answer» D. 10% | |
| 8. |
Gun-metal contains around ___________ % of zinc. |
| A. | 0.9 |
| B. | 4-14 |
| C. | 6-9 |
| D. | 1-3 |
| Answer» E. | |
| 9. |
Naval brass is used in manufacturing ____________ |
| A. | bolts and studs |
| B. | tires |
| C. | bolts |
| D. | bolts and tires |
| Answer» B. tires | |
| 10. |
Copper alloys containing a large amount of __________ are called bronze. |
| A. | lead |
| B. | phosphorus |
| C. | tin |
| D. | iron |
| Answer» D. iron | |
| 11. |
___________ is used in manufacturing components like fuel line fittings. |
| A. | Copper |
| B. | Red brass |
| C. | Red plate |
| D. | Bronze |
| Answer» C. Red plate | |
| 12. |
Naval brass is considerably stronger than manganese bronze. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
Red brass (casting) has a UTS of ___________ |
| A. | 15,00 pound-force per square inch |
| B. | 29 pound-force per square inch |
| C. | 30,000 pound-force per square inch |
| D. | 10000 pound-force per square inch |
| Answer» D. 10000 pound-force per square inch | |
| 14. |
Red brass contains around ____________ % antimony. |
| A. | 0.75 |
| B. | 0.20 |
| C. | 0.25 |
| D. | 0.15 |
| Answer» D. 0.15 | |
| 15. |
____________ is also known as Tobin bronze. |
| A. | Red clay |
| B. | Sand |
| C. | Uranium |
| D. | Naval brass |
| Answer» E. | |