CBJ Practice and Application 2

Question 1

A customer brings in a 14k yellow gold ring that needs to be sized down three sizes. Which method is most appropriate?

Accepted Answer

Cut and solder the shank

Answer

Sizing down requires cutting a measured section from the shank and soldering the ends together for a proper fit.

Question 2

When setting a round brilliant diamond in a four-prong Tiffany-style setting, which step should be done FIRST?

Accepted Answer

Seat the stone in the prongs at equal depth

Answer

The stone must be seated evenly at the correct depth in all prongs before any bending or tipping begins.

Question 3

You notice flux has become glassy and brown during a soldering operation. This indicates:

Accepted Answer

The flux is exhausted and the joint may oxidize

Answer

Brown, glassy flux indicates it has burned off and can no longer protect the metal from oxidation.

Question 4

A bench jeweler is asked to remove a bezel-set cabochon from a sterling silver pendant without damaging the stone. The best approach is to:

Accepted Answer

Carefully open the bezel wall with a burnisher or bezel pusher working around the perimeter

Answer

Gently prying the bezel wall outward evenly around the perimeter releases the stone without heat or cutting damage.

Question 5

When soldering a jump ring closed on a delicate chain, which torch tip and flame type is most appropriate?

Accepted Answer

Small tip with a soft, bushy reducing flame

Answer

A small tip with a soft reducing flame delivers controlled heat and protects the chain links from excessive oxidation.

(CBJ) Certified Bench Jeweler Practice Test