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. |
Materials like brasses and bronzes experiencing cracking after being used for a long duration is called __________ |
| A. | factual cracking |
| B. | residual cracking |
| C. | season cracking |
| D. | crack cracking |
| Answer» D. crack cracking | |
| 2. |
___________ of copper is present in Aluminium bronze casting alloy. |
| A. | 10.5-12% |
| B. | 78% |
| C. | 2-5% |
| D. | 26% |
| Answer» C. 2-5% | |
| 3. |
Aluminium bronze consists of around ___________ of iron. |
| A. | 4% |
| B. | 7% |
| C. | 0.6% |
| D. | 60% |
| Answer» B. 7% | |
| 4. |
Aluminium bronze casting alloys have a UTS of __________ |
| A. | 85,000 pounds per square inch |
| B. | 10,000 pounds per square inch |
| C. | 23,000 pounds per square inch |
| D. | 1,000 pounds per square inch |
| Answer» B. 10,000 pounds per square inch | |
| 5. |
A anneal of ____________ temperature is enough to deter the phenomenon of season cracking. |
| A. | high |
| B. | low |
| C. | medium |
| D. | unusual |
| Answer» C. medium | |
| 6. |
Aluminium bronze is accessible in the frame of __________ |
| A. | taps |
| B. | bars and plates |
| C. | bars |
| D. | taps and bars |
| Answer» C. bars | |
| 7. |
Phosphor bronze casting alloy contains approximately __________ % of zinc. |
| A. | 0-0.3 |
| B. | 0.75 |
| C. | 1.5-4.5 |
| D. | 45 |
| Answer» D. 45 | |
| 8. |
Phosphor bronze contains approximately __________ % of copper. |
| A. | 0.2 |
| B. | 0.1 |
| C. | 36 |
| D. | 94 |
| Answer» E. | |
| 9. |
Aluminium bronze is more resistant to corrosion than manganese bronze. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Aluminium bronze contains approximately 6.5-11% of ___________ |
| A. | titanium |
| B. | manganese |
| C. | aluminium |
| D. | vanadium |
| Answer» D. vanadium | |
| 11. |
The UTS of phosphor bronze casting alloy is _________ |
| A. | 20,000 pounds per square inch |
| B. | 40,000 pounds per square inch |
| C. | 1,000 pounds per square inch |
| D. | 599 pounds per square inch |
| Answer» C. 1,000 pounds per square inch | |
| 12. |
Phosphor bronze casting alloy cannot be used in making components that need to be resistant to salt-water corrosion. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
Phosphor bronze contains approximately _________ % of phosphorous. |
| A. | 3.5 |
| B. | 0.9 |
| C. | 0.05-0.5 |
| D. | 26 |
| Answer» D. 26 | |
| 14. |
Phosphor bronze casting alloy is also known as __________ |
| A. | aluminium |
| B. | barrel |
| C. | leaded gunmetal |
| D. | tripper metal |
| Answer» D. tripper metal | |
| 15. |
Phosphor bronze can be utilized in the manufacturing of __________ |
| A. | skids |
| B. | tires |
| C. | rubber wheels |
| D. | bolts |
| Answer» E. | |