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Casting Practice Test: Sand Reclamation & Control Test
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Avg score: 84% Most missed: “High degree of cleanliness can be achieved by the dry reclamation systems in rec…”
Sand Reclamation & Control Test topics include: Tem tech thermal sand and testing the core sands. The basic tests measure the following parameters: wet tensile strength, cone jolt, mouldability, friability, moisture content, permeability, green compression strength, compactibility, loss on ignition, volatiles content, grain size & distribution, dust (dead clay) content, and active clay content, impact strength .   Sand reclamation is the process of reconditioning foundry sand without affecting its physical properties. It involves removing binders and coatings that adhere to sand grains... Show more
Casting Practice Test: Sand Reclamation & Control Test
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25 Questions

1. High degree of cleanliness can be achieved by the dry reclamation systems in reclaiming the sand.
2. What is the heat source of fluidized bed in tem tech thermal sand reclamation system?
3. In the tem tech thermal sand reclamation system, how many fluidized beds are used?
4. In the tem tech thermal sand reclamation system, the recirculating air ensures what?
5. For baking standard core sand, the specimen needs to be heated at what temperature?
6. With an increase in air pressure measurement of the specimen, what change is seen in the permeability number?
7. With an increase in the height of the specimen, what change is seen in the air pressure measurement?
8. Burning of organic binders can be possible in thermal reclamation systems for reclaiming the sand.
9. The infrared radiation passes through what before entering into the fluidized bed?
10. Sand reclamation is defined for repeatedly using new sand for the making of moulds in production of castings.
11. With an increase in height of the specimen, what change is seen in the permeable number?
12. A vigorous scrubbing action takes place in the method of wet reclamation of sand.
13. Thermal reclamation system removes the organic as well as the inorganic binders associated with the sand.
14. In the dry reclamation system, a strong metal plate is used on which used sand is blasted to get converted into fine powder.
15. Up to what accuracy can the temperature of the bed be controlled in tem tech thermal sand reclamation system?
16. With an increase in area of the specimen, what change is seen in the permeability number?
17. In tem tech thermal sand reclamation system, what is the maximum current temperature?
18. Core hardness test includes testing of only baked cores.
19. One of the goal of tem tech thermal sand reclamation system, is to lower fluidization.
20. After reclamation of sand, reclaimed sand should be dry at an acceptable temperature.
21. With an increase in air pressure measurement of the specimen, what change is seen in the air pressure measurement?
22. What is the maximum working temperature in a fluidized bed in tem tech thermal sand reclamation system?
23. In tem tech thermal sand reclamation system, in the infrared heating system, which material is used in the beds?
24. With an increase in volume of air passed, what change is seen in the air pressure measurement?
25. The wet reclamation systems are eco-friendly and widely used for reclaiming the sand particles.