MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What percentage of powered ferrosilicon is mixed with sodium silicate bonded sand in Nishiyama process? |
| A. | 1% |
| B. | 2% |
| C. | 3% |
| D. | 4% |
| Answer» C. 3% | |
| 2. |
Silica gel is formed when sodium bicarbonate reacts with carbon monoxide. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which of the following core cannot be classified under the shape and position of the core? |
| A. | Balanced core |
| B. | Ram up core |
| C. | Shell core |
| D. | Horizontal core |
| Answer» D. Horizontal core | |
| 4. |
Which of the following will not be classified under the type of core hardening process employed? |
| A. | Nishiyama process |
| B. | Ram up core |
| C. | Furan no-bake system |
| D. | Cold set process |
| Answer» C. Furan no-bake system | |
| 5. |
Which of the following core cannot be classified by the nature of core material employed? |
| A. | Dry sand core |
| B. | Shell core |
| C. | Sodium silicate core |
| D. | Oil bonded core |
| Answer» B. Shell core | |
| 6. |
WHAT_PERCENTAGE_OF_POWERED_FERROSILICON_IS_MIXED_WITH_SODIUM_SILICATE_BONDED_SAND_IN_NISHIYAMA_PROCESS??$ |
| A. | 1% |
| B. | 2% |
| C. | 3% |
| D. | 4% |
| Answer» C. 3% | |
| 7. |
What percentage of clay content is required in furan-no-bake system? |
| A. | Less than 0.3% |
| B. | Less than 0.4% |
| C. | Less than 0.5% |
| D. | Less than 0.6% |
| Answer» D. Less than 0.6% | |
| 8. |
Silica gel is formed when sodium bicarbonate reacts with carbon monoxide? |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Sodium silicate reacts with carbon dioxide to give what? |
| A. | Sodium dichromate |
| B. | Sodium sulphide |
| C. | Sodium bicarbonate |
| D. | Sodium carbonate |
| Answer» E. | |
| 10. |
In hot box process, core box is heated up to what temperature? |
| A. | 220°F – 300°F |
| B. | 250°F – 320°F |
| C. | 350°F – 500°F |
| D. | 420°F – 550°F |
| Answer» D. 420¬¨¬®‚Äö√†√ªF ‚Äö√Ñ√∂‚àö√ë‚àö¬® 550¬¨¬®‚Äö√†√ªF | |
| 11. |
In resin bond cores, the core is baked at what temperature? |
| A. | 275°F – 390°F |
| B. | 375°F – 450°F |
| C. | 485°F – 645°F |
| D. | 775°F – 880°F |
| Answer» C. 485¬¨¬®‚Äö√†√ªF ‚Äö√Ñ√∂‚àö√ë‚àö¬® 645¬¨¬®‚Äö√†√ªF | |
| 12. |
Which of the following cores are produced by mixing silica? |
| A. | Green sand cores |
| B. | Dry sand cores |
| C. | Oil bonded cores |
| D. | Resin bonded cores |
| Answer» D. Resin bonded cores | |
| 13. |
Which of the following core cannot be classified under shape and position of the core? |
| A. | Balanced core |
| B. | Ram up core |
| C. | Shell core |
| D. | Horizontal core |
| Answer» D. Horizontal core | |
| 14. |
Which of the following will not be classified under type of core hardening process employed? |
| A. | Nishiyama process |
| B. | Ram up core |
| C. | Furan no-bake system |
| D. | Cold set process |
| Answer» C. Furan no-bake system | |
| 15. |
Which of the following core cannot be classified by nature of core material employed? |
| A. | Dry sand core |
| B. | Shell core |
| C. | Sodium silicate core |
| D. | Oil bonded core |
| Answer» B. Shell core | |