 
			 
			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. | Silica sand is expensive. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 2. | Which of the following sand is freely available? | 
| A. | Silica sand | 
| B. | Zircon | 
| C. | Olivine | 
| D. | Dolomite | 
| Answer» B. Zircon | |
| 3. | Which of the following is not refractory sand? | 
| A. | Olivine | 
| B. | Silica Sand | 
| C. | Dolomite | 
| D. | Barium Chloride | 
| Answer» E. | |
| 4. | SILICA_SAND_IS_EXPENSIVE.?$ | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 5. | WHICH_OF_THE_FOLLOWING_SAND_IS_FREELY_AVAILABLE??$ | 
| A. | Silica sand | 
| B. | Zircon | 
| C. | Olivine | 
| D. | Dolomite | 
| Answer» B. Zircon | |
| 6. | Which sand is generally used repetitively for mould making? | 
| A. | Silica sand | 
| B. | Zircon | 
| C. | Olivine | 
| D. | Dolomite | 
| Answer» B. Zircon | |
| 7. | Which of the following factor is not to be considered while selecting a refractory? | 
| A. | Conductivity | 
| B. | Expansion | 
| C. | Size of the particle | 
| D. | Permeability | 
| Answer» E. | |
| 8. | At what temperature does the silica sand start expanding thermally? | 
| A. | 918°F | 
| B. | 843°F | 
| C. | 1063°F | 
| D. | 1124°F | 
| Answer» D. 1124¬¨¬®‚Äö√†√ªF | |
| 9. | Which of the following is the most porous sand? | 
| A. | Silica sand | 
| B. | Zircon | 
| C. | Olivine | 
| D. | Dolomite | 
| Answer» B. Zircon | |
| 10. | At what temperature, does quartz melt completely? | 
| A. | 1725°C | 
| B. | 1925°C | 
| C. | 1825°C | 
| D. | 2025°C | 
| Answer» B. 1925¬¨¬®‚Äö√†√ªC | |
| 11. | Ganister is another name for which sand? | 
| A. | Magnesite | 
| B. | Zircon | 
| C. | Silica sand | 
| D. | Dolomite | 
| Answer» D. Dolomite | |
| 12. | Which refractory sand has the best moulding material? | 
| A. | Silica sand | 
| B. | Magnesite | 
| C. | Zircon | 
| D. | Olivine | 
| Answer» B. Magnesite | |
| 13. | Which of the following is not a refractory sand? | 
| A. | Olivine | 
| B. | Silica Sand | 
| C. | Dolomite | 
| D. | Barium Chloride | 
| Answer» E. | |