BERNARDO-QUIZ

1. Remove the rubber sprue former from the base of the casting ring, and trim any surplus investment from the bottom and sides.

• TRUE

• FALSE

2. The mold if allowed to heat-soaked for approximately an hour to allow the mold to become hot all the way through.

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• FALSE

3. Once the mold has heat-soaked, start to heat the alloy in the crucible of the casting machine.

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• FALSE

4. 4. Observe the alloy melting (use plaster knife) Once the alloy has lost form, take the mold from the furnace.

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• FALSE

5. Once cast, retrieve the mold from the casting machine using tongs and put aside to heat-soak.

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• FALSE

6. Check the mold has been filled (the 'botton' of alloy should be complete).

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• FALSE

7. The completed casting will have a fine layer of surface oxide and debris.

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• FALSE

8. The oxide remaining on the surface can now be removed.

• TRUE

• FALSE

9. For gold alloys, remove surface oxides by immersing into acid (pickling)

• TRUE

• FALSE

10. What is the complete name of ma'am Breh?