MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
MAGNESIUM_ALLOYS_DO_NOT_REQUIRE_ANY_SPECIAL_COATING_AS_THEY_ARE_SELF_PROTECTIVE_FROM_CORROSION.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Teflon resin coating can be used to increase lubricity of magnesium alloys.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Magnesium metal possesses better noise and vibration damping characteristics than aluminum? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following compounds can be used as an inhibitor in moulding materials for avoiding chemical reaction with magnesium alloys? |
| A. | Sodium silicate |
| B. | Water |
| C. | Hydrogen silicate |
| D. | Potassium borofluoride |
| Answer» E. | |
| 5. |
Inhibitors are generally used in mould to avoid reaction of magnesium with moulding materials. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Adding of zirconium in magnesium metal results in formation of magnesium-zirconium alloy of enhanced ductility. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Magnesium cannot be used extensively for precision casting applications. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Magnesium metal is very light material, but not lighter than aluminium metal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Magnesium is a very light material that can be suitable in aircraft applications. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
In general, magnesium alloy components tends to have fine grain structure in it. |
| A. | True |
| B. | False |
| Answer» C. | |