 
			 
			MCQOPTIONS
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				This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Green sand mold contains high strength. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 2. | For how long is the mold in cement bonded sand mold, allowed to set? | 
| A. | 24 hours | 
| B. | 48 hours | 
| C. | 72 hours | 
| D. | 96 hours | 
| Answer» D. 96 hours | |
| 3. | In cement bonded sand mold, sand mold material consists of what percentage of water? | 
| A. | 3.5% | 
| B. | 4.5% | 
| C. | 5.5% | 
| D. | 6.5% | 
| Answer» C. 5.5% | |
| 4. | In cement bonded sand mold, sand mold material consists of what percentage of Portland cement? | 
| A. | 10% | 
| B. | 15% | 
| C. | 20% | 
| D. | 25% | 
| Answer» B. 15% | |
| 5. | Green sand is heated to what temperature to convert it into dry sand? | 
| A. | 150°F – 300°F | 
| B. | 200°F – 450°F | 
| C. | 250°F – 550°F | 
| D. | 300°F – 650°F | 
| Answer» E. | |
| 6. | FOR_HOW_LONG_IS_THE_MOLD_IN_CEMENT_BONDED_SAND_MOLD,_ALLOWED_TO_SET??$ | 
| A. | 24 hours | 
| B. | 48 hours | 
| C. | 72 hours | 
| D. | 96 hours | 
| Answer» D. 96 hours | |
| 7. | Green sand mold contains high strength.$ | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 8. | A skin dried mold has to be poured immediately after drying. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 9. | In cement bonded sand mold, sand mold material consists of what percentage of silica sand? | 
| A. | 75.5% | 
| B. | 80.5% | 
| C. | 85.5% | 
| D. | 90.5% | 
| Answer» D. 90.5% | |
| 10. | A skin dried mold is dried up to what depth? | 
| A. | 4mm – 12mm | 
| B. | 5mm – 19mm | 
| C. | 6mm – 25mm | 
| D. | 7mm – 23mm | 
| Answer» D. 7mm ‚Äö√Ñ√∂‚àö√ë‚àö¬® 23mm | |
| 11. | Green sand is heated to what temperature to convert it into a dry sand? | 
| A. | 150°F – 300°F | 
| B. | 200°F – 450°F | 
| C. | 250°F – 550°F | 
| D. | 300°F – 650°F | 
| Answer» E. | |
| 12. | Which of the following sand mold contains free water? | 
| A. | Green sand mold | 
| B. | Dry sand mold | 
| C. | Core sand mold | 
| D. | Shell mold | 
| Answer» B. Dry sand mold | |
| 13. | Which of the following is not counted as mold characteristics? | 
| A. | Possession of strength | 
| B. | Possession of refractoriness | 
| C. | Resist corrosion | 
| D. | Resist metal penetration in molds | 
| Answer» D. Resist metal penetration in molds | |