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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 | |