MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Foundry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Skin dried mould is preferable for large moulds over the dray sand moulds. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Dry sand moulds have high strength than the green sand moulds to form large castings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The strength of the dry sand mould depends on ________ |
| A. | Sand Quality |
| B. | Sand grain |
| C. | Binders |
| D. | Additives |
| Answer» D. Additives | |
| 4. |
Hot tearing of the casting is least observed in _______________ |
| A. | Green sand moulds |
| B. | Dry sand moulds |
| C. | Skin dried sand moulds |
| D. | Size of the grain |
| Answer» B. Dry sand moulds | |
| 5. |
DRY_SAND_MOULDS_HAVE_HIGH_STRENGTH_THAN_THE_GREEN_SAND_MOULDS_TO_FORM_LARGE_CASTINGS.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Skin_dried_mould_is_preferable_for_large_moulds_over_the_dray_sand_moulds.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
The strength of the dry sand mould depends on _______? |
| A. | Sand Quality |
| B. | Sand grain |
| C. | Binders |
| D. | Additives |
| Answer» D. Additives | |
| 8. |
Uncontrolled permeability in the green sand mould leads to ___________ |
| A. | Blow Holes |
| B. | Chills |
| C. | Shrinkage |
| D. | Tearing |
| Answer» B. Chills | |
| 9. |
The permeability _________ with the grain size. |
| A. | Remains same |
| B. | Increases |
| C. | Decreases |
| D. | Depends on the sand |
| Answer» C. Decreases | |
| 10. |
All the sand moulds should have a great venting capacity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Hot tearing of the casting is least observed in _______________ |
| A. | Green sand moulds |
| B. | Dry sand moulds |
| C. | Skin dried sand moulds |
| D. | Size of the grain |
| Answer» B. Dry sand moulds | |
| 12. |
Green sand mould acquires the highest floor space. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
The rate at which the casting is removed from the green sand mould is __________ |
| A. | Immediately |
| B. | Min 2-3 hours later |
| C. | More than 6 hours |
| D. | Around 2 days |
| Answer» B. Min 2-3 hours later | |
| 14. |
In the molding sands, which of the following are the major properties? |
| A. | Permeability |
| B. | Sand Grains |
| C. | Size of the grains |
| D. | Permeability, sand grains and size of the grains |
| Answer» E. | |