MCQOPTIONS
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MCQOPTIONS
This section includes 23 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 centrifugal casting method, is used for casting articles of __________ |
| A. | symmetrical shape about horizontal axis |
| B. | symmetrical shape about vertical axis |
| C. | irregular shape |
| D. | sphere shape |
| Answer» B. symmetrical shape about vertical axis | |
| 2. |
The melting temperature of non-ferrous alloys, to be casted in a cold chamber die casting machine are of? |
| A. | low melting temperature |
| B. | high melting temperature |
| C. | two eutectic points |
| D. | three eutectic points |
| Answer» C. two eutectic points | |
| 3. |
Cast iron and steel pipes are produced by __________ |
| A. | slush casting |
| B. | investment casting |
| C. | true centrifugal casting |
| D. | die casting |
| Answer» D. die casting | |
| 4. |
In a hot chamber die casting machine __________ |
| A. | melting pot is separate from the machine |
| B. | melting pot is an integral part of the machine |
| C. | melting pot may have any location |
| D. | there is no melting pot in die casting machine |
| Answer» C. melting pot may have any location | |
| 5. |
In which of the following casting method, the molten metal is poured and allowed to solidify while the mold is revolving? |
| A. | die casting method |
| B. | slush casting method |
| C. | centrifugal casting method |
| D. | investment casting method |
| Answer» D. investment casting method | |
| 6. |
In permanent mold casting method __________ |
| A. | molten metal is poured in a metallic mold, retained in the mold long enough for the outer skin to solidify and finally mold is turned over to remove molten metal still in molten condition |
| B. | molten metal is poured and allowed to solidify while the mold is revolving |
| C. | Molten metal is forced into mold under high pressure |
| D. | none of the mentioned |
| Answer» E. | |
| 7. |
The directional solidification in casting can be improved by using __________ |
| A. | chaplets and riser |
| B. | chills and padding |
| C. | chaplets and padding |
| D. | chills and riser |
| Answer» E. | |
| 8. |
Which of the following are made of two or more different materials (combining the advantages of each material)? |
| A. | Permanent molds |
| B. | Expendable molds |
| C. | Composite molds |
| D. | Ceramic molds |
| Answer» D. Ceramic molds | |
| 9. |
Which of the following expandable molds are less heat conductors than metallic molds? |
| A. | metallic |
| B. | nonmetallic |
| C. | composite |
| D. | ceramic |
| Answer» C. composite | |
| 10. |
Which of the following are made of metals that maintain their strength at high temperatures? |
| A. | Permanent molds |
| B. | Expendable molds |
| C. | Composite molds |
| D. | Ceramic molds |
| Answer» B. Expendable molds | |
| 11. |
Which of the following are typically made of sand, plaster, ceramics and similar materials and generally are mixed with various binders? |
| A. | Permanent molds |
| B. | Expendable molds |
| C. | Composite molds |
| D. | Ceramic molds |
| Answer» C. Composite molds | |
| 12. |
CAST_IRON_AND_STEEL_PIPES_ARE_PRODUCED_BY?$ |
| A. | slush casting |
| B. | investment casting |
| C. | true centrifugal casting |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 13. |
In a cold chamber die casting machine, only non-ferrous alloys with ___________ are casted.$ |
| A. | low melting temperature |
| B. | high melting temperature |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» C. all of the mentioned | |
| 14. |
Which_of_the_following_statement_is_wrong?$ |
| A. | The hot chamber die casting machine is used for casting zinc, tin, lead and other low melting alloys |
| B. | The cold chamber die casting machine is used for casting aluminum, magnesium, copper base alloys and other high melting alloys |
| C. | The castings produced by centrifugal casting method have open and coarse grained structure |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 15. |
The_centrifugal_casting_method,_is_used_for_casting_articles_of |
| A. | symmetrical shape about vertical axis |
| B. | symmetrical shape about horizontal axis |
| C. | irregular shape |
| D. | none of the mentioned |
| Answer» B. symmetrical shape about horizontal axis | |
| 16. |
In a hot chamber die casting machin? |
| A. | melting pot is separate from the machine |
| B. | melting pot is an integral part of the machine |
| C. | melting pot may have any location |
| D. | none of the mentioned |
| Answer» C. melting pot may have any location | |
| 17. |
In a _________ the molten metal is poured and allowed to solidify while the mold is revolving. |
| A. | die casting method |
| B. | slush casting method |
| C. | centrifugal casting method |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 18. |
In permanent mold casting method |
| A. | molten metal is poured in a metallic mold, retained in the mold long enough for the outer skin to solidify and finally mold is turned over to remove molten metal still in molten condition |
| B. | molten metal is poured and allowed to solidify while the mold is revolving |
| C. | Molten metal is forced into mold under high pressure |
| D. | none of the mentioned |
| Answer» E. | |
| 19. |
The directional solidification in casting can be improved by using |
| A. | chills and riser |
| B. | chills and padding |
| C. | chaplets and padding |
| D. | none of the mentioned |
| Answer» E. | |
| 20. |
___________ which are made of two or more different materials combining the advantages of each material. |
| A. | Permanent molds |
| B. | Expendable molds |
| C. | Composite molds |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 21. |
Metal molds are better heat conductors than expendable ___________ molds. |
| A. | metallic |
| B. | nonmetallic |
| C. | composite |
| D. | none of the mentioned |
| Answer» C. composite | |
| 22. |
_____________ which are made of metals that maintain their strength at high temperatures. |
| A. | Permanent molds |
| B. | Expendable molds |
| C. | Composite molds |
| D. | None of the mentioned |
| Answer» B. Expendable molds | |
| 23. |
______________ which typically are made of sand, plaster, ceramics, and similar materials and generally are mixed with various binders. |
| A. | Permanent molds |
| B. | Expendable molds |
| C. | Composite molds |
| D. | None of the mentioned |
| Answer» C. Composite molds | |