MCQOPTIONS
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MCQOPTIONS
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. |
Pouring basins are used for reducing vortex formation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
A runner is located away from the drag. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
A_RUNNER_IS_LOCATED_AWAY_FROM_THE_DRAG.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Pouring_basins_are_used_for_reducing_vortex_formation.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Aluminium alloys are not susceptible to which of the following? |
| A. | Macro shrinkage |
| B. | Drossing |
| C. | Micro shrinkage |
| D. | Solidification shrinkage |
| Answer» B. Drossing | |
| 6. |
Which of the given metals is not counted among late additions in aluminium alloys? |
| A. | Boron |
| B. | Titanium |
| C. | Manganese |
| D. | Sodium |
| Answer» D. Sodium | |
| 7. |
Up to what length can the surface finish be achieved by green sand in aluminium alloys? |
| A. | 600 micro inch |
| B. | 650 micro inch |
| C. | 700 micro inch |
| D. | 750 micro inch |
| Answer» C. 700 micro inch | |
| 8. |
Which gas is not used for fluxing and flushing in aluminium alloys? |
| A. | Argon |
| B. | Chlorine |
| C. | Nitrogen |
| D. | Oxygen |
| Answer» E. | |
| 9. |
What is the silicon composition present in an LM-17 cast aluminium alloy? |
| A. | 3% |
| B. | 12% |
| C. | 5.5% |
| D. | 11.5% |
| Answer» E. | |
| 10. |
Which of the following is not a purpose of fluxing and flushing the aluminium alloys? |
| A. | Removal of dissolved hydrogen |
| B. | Removal of dissolved oxygen |
| C. | Separation of dross from melt |
| D. | Entrapment of dross |
| Answer» C. Separation of dross from melt | |
| 11. |
Which furnace is not used for heating aluminium alloys? |
| A. | Electric arc furnace |
| B. | Pot furnace |
| C. | Induction heating furnace |
| D. | Crucible furnace |
| Answer» B. Pot furnace | |
| 12. |
Presence of which material in aluminium alloy provides ductility to the alloy? |
| A. | Silicon |
| B. | Iron |
| C. | Copper |
| D. | Zinc |
| Answer» D. Zinc | |