MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In sand casting of magnesium alloys, what is the amount of silica sand used in an American mix? |
| A. | 80 lb |
| B. | 90 lb |
| C. | 100 lb |
| D. | 110 lb |
| Answer» D. 110 lb | |
| 2. |
Magnesium alloys have a low strength to weight ratio. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
In grain refinement process, only hexachlorobenzene is used. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Which of the following is not a property of a magnesium alloy? |
| A. | High damping capacity |
| B. | High electrical conductivity |
| C. | Good fatigue strength |
| D. | High thermal resistivity |
| Answer» E. | |
| 5. |
Pure magnesium melts at what temperature? |
| A. | 600 C |
| B. | 650 C |
| C. | 700 C |
| D. | 750 C |
| Answer» C. 700 C | |