 
			 
			MCQOPTIONS
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				This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Filling can be used for non-ferrous alloys. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 2. | Salvaging through welding is mainly focused on high alloy steels. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 3. | SALVAGING_THROUGH_WELDING_IS_MAINLY_FOCUSED_ON_HIGH_ALLOY_STEELS.?$ | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 4. | Filling_can_be_used_for_non-ferrous_alloys.$ | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 5. | For what time is a cast kept immersed in sodium silicate solution for salvaging? | 
| A. | 1 hour to 3 hours | 
| B. | 2 hours to 4 hours | 
| C. | 3 hours to 5 hours | 
| D. | 4 hours to 6 hours | 
| Answer» C. 3 hours to 5 hours | |
| 6. | At what temperature, is sodium silicate immersed in the cast for salvaging? | 
| A. | 125°F | 
| B. | 175°F | 
| C. | 225°F | 
| D. | 275°F | 
| Answer» C. 225¬¨¬®‚Äö√†√ªF | |
| 7. | Which of the following is not an impregnant? | 
| A. | Linseed oil | 
| B. | Sodium silicate | 
| C. | Silicon carbide | 
| D. | Synthetic resin | 
| Answer» D. Synthetic resin | |
| 8. | Below what temperature does a solder melt? | 
| A. | 500°F | 
| B. | 600°F | 
| C. | 700°F | 
| D. | 800°F | 
| Answer» E. | |
| 9. | Which of the following is not an important property in terms of filler metals? | 
| A. | Thermal resistance | 
| B. | Chemical resistance | 
| C. | Corrosion resistance | 
| D. | Appearance | 
| Answer» B. Chemical resistance | |
| 10. | Which of the following method is most suited for salvaging? | 
| A. | Brazing | 
| B. | Welding | 
| C. | Caulking | 
| D. | Plugging | 
| Answer» C. Caulking | |
| 11. | Which of the following is not a method of preparation of defective areas? | 
| A. | Chipping | 
| B. | Grinding | 
| C. | Rolling | 
| D. | Gouging | 
| Answer» D. Gouging | |
| 12. | Which of the following welding method is not used for salvaging? | 
| A. | TIG welding | 
| B. | MIG welding | 
| C. | Gas welding | 
| D. | Oxy-hydrogen welding | 
| Answer» E. | |