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. |
Which of the following elements is occasionally present in brass is minor amounts? |
| A. | Cooper, lead |
| B. | Iron, vanadium |
| C. | Lead |
| D. | Iron, lead |
| Answer» E. | |
| 2. |
A type of casting of manganese bronze called manganese-aluminium alloy consists of approximately __________ of aluminium |
| A. | 60 to 68% |
| B. | 2 to 4% |
| C. | 3 to 7.5% |
| D. | 15% |
| Answer» D. 15% | |
| 3. |
Which of the following are properties of Hy-Ten-Sl-Bronze? |
| A. | wear-prone, corrosive |
| B. | wear-resistant, non-corrosive |
| C. | wear-resistant, corrosive |
| D. | wear-prone, non-corrosive |
| Answer» C. wear-resistant, corrosive | |
| 4. |
Manganese bronze possesses the property of being corrosion resistant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The ultimate tensile strength of sand cast Hy-Ten-Sl-Bronze is __________ |
| A. | 75,000 p.s.i |
| B. | 115,000 p.s.i |
| C. | 999,000 p.s.i |
| D. | 229,000 p.s.i |
| Answer» C. 999,000 p.s.i | |
| 6. |
Beryllium copper consists of around ___________ of beryllium. |
| A. | 0.5% |
| B. | 2 to 2.25% |
| C. | 10 to 15% |
| D. | 26 to30% |
| Answer» C. 10 to 15% | |
| 7. |
A casting type of manganese bronze called manganese-aluminium alloy includes approximately __________ of tin. |
| A. | 50% |
| B. | 0.2% |
| C. | 0.5% |
| D. | 5% |
| Answer» D. 5% | |
| 8. |
Which of the following are properties of beryllium copper? |
| A. | Low-strength, non-magnetic |
| B. | Low-strength, magnetic |
| C. | Magnetic, high-strength |
| D. | High-strength, non-magnetic |
| Answer» E. | |
| 9. |
The density of beryllium copper is __________ |
| A. | 8.24 gram per cubic centimeters |
| B. | 26 gram per cubic centimeters |
| C. | 13.24 gram per cubic centimeters |
| D. | 4.98 gram per cubic centimeters |
| Answer» B. 26 gram per cubic centimeters | |
| 10. |
Manganese bronze is made of around 57% to 60% of __________ |
| A. | lead |
| B. | manganese |
| C. | copper |
| D. | zinc |
| Answer» D. zinc | |
| 11. |
Brass is primarily made of copper and aluminium. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
The ultimate tensile strength for heat-treated muntz metal is __________ |
| A. | 80,000 p.s.i |
| B. | 20,000 p.s.i |
| C. | 60,000 p.s.i |
| D. | 57,000 p.s.i |
| Answer» B. 20,000 p.s.i | |
| 13. |
Brass that consists of around ___________ zinc is highly ductile in nature. |
| A. | 49-50% |
| B. | 15-18% |
| C. | 30-35% |
| D. | 1-2% |
| Answer» D. 1-2% | |
| 14. |
Manganese bronze is remarkably ___________ |
| A. | difficult to forge |
| B. | weak |
| C. | strong |
| D. | low in zinc |
| Answer» D. low in zinc | |
| 15. |
Muntz metal consists of ___________ copper and __________ zinc. |
| A. | 75%, 25% |
| B. | 25%, 75% |
| C. | 50%, 50% |
| D. | 60%, 40% |
| Answer» E. | |