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Casting Practice Test: Special Casting Techniques
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Avg score: 79% Most missed: “Continuously cast products in the continuous casting show very less segregation.”
Special Casting Techniques topics include: Special casting techniques, shell moulding, precision investment casting, permanent mould casting, co2 process, various castings like die castings, gravity and vaccum die castings, low pressure die castings, centrifugal casting, continuous casting, squeeze and slush casting. Here are some special casting techniques: Sand casting: Uses sand as part of the mold material. This process is good for small production runs and is versatile. Centrifugal casting: Uses pressure from centrifugal rotation to make molten metal lean against the mold wall. The... Show more
Casting Practice Test: Special Casting Techniques
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25 Questions

1. Which of the following is the main problem or disadvantage of using mercury as a pattern material?
2. Which of the following helps in reducing the oxidation of the material in vacuum die casting?
3. In centrifugal casting, a movable pouring basin is employed for the pouring of molten metal.
4. Surface finish of the castings is not better in the low-pressure die casting method as compared to other method of casting.
5. Pattern used in shell moulding is normally made up of?
6. Which of the following products is mostly produced by precision investment casting?
7. Which of the following parts is used for the support of steel shell in continuous casting?
8. In vacuum die casting, the molten metal enters into the cavity slowly as compared to the die casting.
9. In cold chamber die casting, rapid cooling of the castings is done as compared to the hot chamber die casting.
10. Using of the ladle in the cold chamber die casting has no affects on contact time between the molten metal and the shot chamber.
11. Which of the following lubricants is added to the resin sand mixture for better flowability of the sand?
12. In permanent mould casting, the temperature at which the mould is used does not depend on _____
13. The die has longer life for casting of materials but less for aluminium alloys.
14. Water cooling is always preferred than the air cooling for the extraction of heat from the castings through the mould.
15. Squeeze casting method was developed in which country?
16. The casting process that does not require a core to produce a hollow casting is?
17. The castings made by vacuum die casting have more strength than the castings made by die casting.
18. Rapid solidification rates of casting tend to have a reduction in oxidation of the material.
19. It is desirable to have drafts or undercuts as much as possible in the mould cavity, to have greater strength of the castings.
20. Which of the following devices is used for the mixing or complete formation of the shell sand mixture?
21. Which of the following methods of casting is best suited for casting aluminium and magnesium based alloys?
22. Which of the following liquids is used for the formation of slurry in investment casting?
23. In low-pressure die casting, metal enters the mould very slowly as compared to the die casting.
24. Hollow casting is the other name of which of the following special casting process?
25. For complicated shapes, it is better to use collapsible metal cores rather than a single metal core in the casting.