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. |
Inconel welds are cleaned after fabrication by submerging in a _________ cold nitric acid solution. |
| A. | 20% |
| B. | 50% |
| C. | 99% |
| D. | 12% |
| Answer» C. 99% | |
| 2. |
K Monel is accessible as ___________ |
| A. | Forgings |
| B. | Z-shape |
| C. | U-shape |
| D. | T-shape |
| Answer» B. Z-shape | |
| 3. |
____________ is formed on the surface of Inconel if heated above 700 F in an oxidizing atmosphere. |
| A. | Carbon |
| B. | Chromium oxide |
| C. | Hydrogen peroxide |
| D. | Nitric oxide |
| Answer» C. Hydrogen peroxide | |
| 4. |
K Monel sheet can be welded satisfactorily by ___________ |
| A. | oxyacetylene |
| B. | cold-rolling |
| C. | anomaxicity |
| D. | cold-rolling and Anomaxicity |
| Answer» B. cold-rolling | |
| 5. |
____________ can be used as a lubricant when Monel is subjected to boring, drilling, etc. |
| A. | Carbon oil |
| B. | Sulphurized oil |
| C. | Vegetable oil |
| D. | Deep oil |
| Answer» C. Vegetable oil | |
| 6. |
Inconel springs can be used at temperatures between ___________ |
| A. | 600-700 C |
| B. | 100-200 F |
| C. | 50-150 F |
| D. | 600-700 F |
| Answer» E. | |
| 7. |
Soft soldering of Monel should not be done when the material is subjected to ___________ |
| A. | low stress |
| B. | ideal properties |
| C. | vibration |
| D. | vibration and ideal properties |
| Answer» D. vibration and ideal properties | |
| 8. |
____________ alloy/alloys are corrosion resistant in atmosphere and saltwater. |
| A. | Inconel |
| B. | Monel |
| C. | Steel |
| D. | Inconel and K Monel |
| Answer» E. | |
| 9. |
Nickel can be used in the transportation industry. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
___________ is a relatively non-complicated way of joining (Monel) where strength is not necessary. |
| A. | Welding |
| B. | Carbon-arc |
| C. | Soft soldering |
| D. | Oxyacetylene |
| Answer» D. Oxyacetylene | |
| 11. |
Inconel weighs ___________ corrosion-resistant steel. |
| A. | less than |
| B. | more than |
| C. | equal to |
| D. | double of |
| Answer» C. equal to | |
| 12. |
Nickel is suitable for manufacturing in mobile phones and power generators. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
___________ metal is used near compasses. |
| A. | Monel |
| B. | Inconel |
| C. | K Monel |
| D. | Iron |
| Answer» D. Iron | |
| 14. |
Monel is used in making ___________ |
| A. | oil coolers |
| B. | rivets |
| C. | oil coolers and rivets |
| D. | rubber tires |
| Answer» D. rubber tires | |
| 15. |
Inconel is accessible commercially in which of the following shapes? |
| A. | Tube |
| B. | Wires |
| C. | Z-shapes |
| D. | Tubes and wires |
| Answer» E. | |