MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Low-pressure die casting method is not economical for small-scale production. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Surface finish of the castings is not better in the low-pressure die casting method as compared to other method of casting. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The die has longer life for casting of materials but less for aluminium alloys. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following products is most suitable to cast by low-pressure die casting method? |
| A. | Crank cases |
| B. | Blades of turbine |
| C. | Surgical instruments |
| D. | Connecting rods |
| Answer» B. Blades of turbine | |
| 5. |
WHICH_OF_THE_FOLLOWING_PRODUCTS_IS_MOST_SUITABLE_TO_CAST_BY_LOW-PRESSURE_DIE_CASTING_METHOD??$ |
| A. | Crank cases |
| B. | Blades of turbine |
| C. | Surgical instruments |
| D. | Connecting rods |
| Answer» B. Blades of turbine | |
| 6. |
Surface finish of the castings is not better in the low-pressure die casting method as compared to other method of casting.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
The_die_has_longer_life_for_casting_of_materials_but_less_for_aluminium_alloys.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Low-pressure_die_casting_method_is_not_economical_for_small-scale_production. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which of the following terms is used for the presence of excess metal in the parting plane? |
| A. | Toggle |
| B. | Platen |
| C. | Flash |
| D. | Biscuit |
| Answer» D. Biscuit | |
| 10. |
In low-pressure die casting, metal enters the mould very slowly as compared to the die casting. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
It is not necessary to consider the cooling circuits in designing of mould due to less cycle time. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which of the following types of cooling is used for the cooling of top and bottom dies in the low-pressure die casting? |
| A. | Water cooling |
| B. | Liquid nitrogen cooling |
| C. | Cooling with fins |
| D. | Air jets cooling |
| Answer» E. | |
| 13. |
The residual molten metal cannot flow back to the crucible and it remains in the riser tube. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
In low-pressure die casting, mould is placed over the furnace containing the molten metal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
What should be the pressure range (in bar) of the gas used in the low-pressure die casting? |
| A. | 0.3 to 1.5 |
| B. | 2 to 10 |
| C. | 10 to 30 |
| D. | 30 to 50 |
| Answer» B. 2 to 10 | |
| 16. |
Which of the following methods of casting is best suited for casting aluminium and magnesium based alloys? |
| A. | Centrifugal casting |
| B. | Low-pressure die casting |
| C. | Shell moulding |
| D. | Investment casting |
| Answer» C. Shell moulding | |