MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The advantages of semisolid metal forming over die casting are _____________ |
| A. | the structures developed are homogeneous, with uniform properties |
| B. | casting as well as wrought alloys can be used |
| C. | the lower superheat results in shorter cycle times |
| D. | all of the mentioned |
| Answer» E. | |
| 2. |
In which of the following casting technique, the metal is heated to just above its solidus temperature and poured into a vessel to cool it down to the semisolid state? |
| A. | vacuum casting |
| B. | rheocasting |
| C. | pressure casting |
| D. | investment casting |
| Answer» C. pressure casting | |
| 3. |
Which of the following are made of two or more different materials? |
| A. | Composite molds |
| B. | Centrifuging |
| C. | Die casting |
| D. | Investment casting |
| Answer» B. Centrifuging | |
| 4. |
In which of the following casting technique, the molten metal is forced upward by gas pressure into a graphite or metal mold? |
| A. | vacuum casting |
| B. | slush casting |
| C. | pressure casting |
| D. | investment casting |
| Answer» D. investment casting | |
| 5. |
Hollow castings with thin walls can be made by permanent-mold casting using ___________ |
| A. | vacuum casting |
| B. | slush casting |
| C. | evaporative-pattern casting |
| D. | investment casting |
| Answer» C. evaporative-pattern casting | |
| 6. |
Which of the following casting technique is an alternative to investment, shell-mold, and green-sand casting? |
| A. | Vacuum Casting |
| B. | Permanent-mold casting |
| C. | Evaporative-pattern casting |
| D. | Expandable-mold casting |
| Answer» B. Permanent-mold casting | |
| 7. |
To increase the life of permanent molds, the surfaces of the mold cavity usually are coated with a ____________ |
| A. | refractory slurry |
| B. | silver |
| C. | aluminum |
| D. | zinc |
| Answer» B. silver | |
| 8. |
In which of the following casting, two halves of a mold are made from materials with high resistance? |
| A. | investment casting |
| B. | permanent-mold casting |
| C. | evaporative-pattern casting |
| D. | slush casting |
| Answer» C. evaporative-pattern casting | |
| 9. |
Which of the following casting process is used to make typical parts such as gears, cams, valves, etc? |
| A. | investment casting |
| B. | ceramic-shell casting |
| C. | evaporative-pattern casting |
| D. | slush casting |
| Answer» B. ceramic-shell casting | |
| 10. |
Which of the following casting process uses a polystyrene pattern? |
| A. | investment casting |
| B. | ceramic-shell casting |
| C. | evaporative-pattern casting |
| D. | slush casting |
| Answer» D. slush casting | |
| 11. |
IN______________THE_METAL_IS_HEATED_TO_JUST_ABOVE_ITS_SOLIDUS_TEMPERATURE_AND_POURED_INTO_A_VESSEL_TO_COOL_IT_DOWN_TO_THE_SEMISOLID_STATE.?$ |
| A. | vacuum casting |
| B. | rheocasting |
| C. | pressure casting |
| D. | none of the mentioned |
| Answer» C. pressure casting | |
| 12. |
The_advantages_of_semisolid_metal_forming_over_die_casting_are$ |
| A. | the structures developed are homogeneous, with uniform properties |
| B. | casting as well as wrought alloys can be used |
| C. | the lower superheat results in shorter cycle times |
| D. | all of the mentioned |
| Answer» E. | |
| 13. |
_____________ are made of two or more different materials? |
| A. | Composite molds |
| B. | Centrifuging |
| C. | Die casting |
| D. | none of the mentioned |
| Answer» B. Centrifuging | |
| 14. |
In ______________ the molten metal is forced upward by gas pressure into a graphite or metal mold. |
| A. | vacuum casting |
| B. | slush casting |
| C. | pressure casting |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 15. |
Hollow castings with thin walls can be made by permanent-mold casting using |
| A. | vacuum casting |
| B. | slush casting |
| C. | evaporative-pattern casting |
| D. | none of the mentioned |
| Answer» C. evaporative-pattern casting | |
| 16. |
__________ is an alternative to investment, shell-mold, and green-sand casting. |
| A. | Vacuum Casting |
| B. | Permanent-mold casting |
| C. | Evaporative-pattern casting |
| D. | None of the mentioned |
| Answer» B. Permanent-mold casting | |
| 17. |
To increase the life of permanent molds, the surfaces of the mold cavity usually are coated with a |
| A. | refractory slurry |
| B. | silver |
| C. | aluminum |
| D. | none of the mentioned |
| Answer» B. silver | |
| 18. |
In __________________ two halves of a mold are made from materials with high resistance. |
| A. | investment casting |
| B. | permanent-mold casting |
| C. | evaporative-pattern casting |
| D. | none of the mentioned |
| Answer» C. evaporative-pattern casting | |
| 19. |
The _______________ process is used to make typical parts such as gears, cams, valves etc. |
| A. | investment casting |
| B. | ceramic-shell casting |
| C. | evaporative-pattern casting |
| D. | none of the mentioned |
| Answer» B. ceramic-shell casting | |
| 20. |
The _____________ process uses a polystyrene pattern. |
| A. | investment casting |
| B. | ceramic-shell casting |
| C. | evaporative-pattern casting |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |