 
			 
			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. | Core hardness test includes testing of only baked cores. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 2. | For how long is a specimen heated in a standard core above 1000°F? | 
| A. | 8-10 minutes | 
| B. | 10-12 minutes | 
| C. | 12-14 minutes | 
| D. | 14-16 minutes | 
| Answer» C. 12-14 minutes | |
| 3. | With an increase in the height of the specimen, what change is seen in the air pressure measurement? | 
| A. | Increases | 
| B. | Decreases | 
| C. | No change occurs | 
| D. | No relation among the two | 
| Answer» B. Decreases | |
| 4. | FOR_HOW_LONG_IS_A_SPECIMEN_HEATED_IN_A_STANDARD_CORE_ABOVE_1000¬¨ àûF??$# | 
| A. | 8-10 minutes | 
| B. | 10-12 minutes | 
| C. | 12-14 minutes | 
| D. | 14-16 minutes | 
| Answer» C. 12-14 minutes | |
| 5. | Core_hardness_test_includes_testing_of_only_baked_cores.$ | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 6. | For baking standard core sand, the specimen needs to be heated at what temperature? | 
| A. | 800°F | 
| B. | 900°F | 
| C. | 1000°F | 
| D. | 1100°F | 
| Answer» D. 1100¬¨¬®‚Äö√†√ªF | |
| 7. | With an increase in air pressure measurement of the specimen, what change is seen in the air pressure measurement? | 
| A. | Increases | 
| B. | Decreases | 
| C. | No change occurs | 
| D. | No relation among the two | 
| Answer» C. No change occurs | |
| 8. | With an increase in air pressure measurement of the specimen, what change is seen in the permeability number? | 
| A. | Increases | 
| B. | Decreases | 
| C. | No change occurs | 
| D. | No relation among the two | 
| Answer» C. No change occurs | |
| 9. | With an increase in area of the specimen, what change is seen in the permeability number? | 
| A. | Increases | 
| B. | Decreases | 
| C. | No change occurs | 
| D. | No relation among the two | 
| Answer» C. No change occurs | |
| 10. | With an increase in height of the specimen, what change is seen in the air pressure measurement? | 
| A. | Increases | 
| B. | Decreases | 
| C. | No change occurs | 
| D. | No relation among the two | 
| Answer» B. Decreases | |
| 11. | With an increase in volume of air passed, what change is seen in the air pressure measurement? | 
| A. | Increases | 
| B. | Decreases | 
| C. | No change occurs | 
| D. | No relation among the two | 
| Answer» B. Decreases | |
| 12. | With an increase in height of the specimen, what change is seen in the permeable number? | 
| A. | Increases | 
| B. | Decreases | 
| C. | No change occurs | 
| D. | No relation among the two | 
| Answer» B. Decreases | |
| 13. | With an increase in volume of air passed, what change is seen in the permeable number? | 
| A. | Increases | 
| B. | Decreases | 
| C. | No change occurs | 
| D. | No relation among the two | 
| Answer» B. Decreases | |