Flux Is Used When Gold Castings Are Soldered, To

question 30

Multiple Choice

Flux is used when gold castings are soldered, to:

• A) lower the melting range of the solder
• B) remove surface oxides so the solder will flow freely and wet the alloy surfaces as it melts
• C) prevent uneven heating of the unit, causing the gold to crack
• D) prevent greening of the gold casting

---

Definitions:

Ascocarps

The fruiting bodies produced by ascomycete fungi, which contain the spore-producing structures.

Mycelia

Mycelia are the vegetative parts of fungi, consisting of a network of fine, thread-like structures called hyphae.

Ascocarp

The fruiting body of an ascomycete.

Fruiting Body

The reproductive structure of fungi and other plants which releases spores.