CBJ Skills and Expertise 2

Question 1

When sizing a ring down using the cut-and-weld method, where should the jeweler make the cut?

Accepted Answer

At the bottom of the shank

Answer

The cut is made at the bottom of the shank to preserve symmetry and keep any solder seam away from visible areas.

Question 2

Which torch tip size is most appropriate for soldering a delicate platinum grain-set band?

Accepted Answer

A fine tip for precise, controlled heat

Answer

A fine tip delivers precise, controlled heat to the small work area without overheating adjacent grain-set stones.

Question 3

A customer's yellow gold chain has a broken link. Which repair technique restores the most strength to the link?

Accepted Answer

Fusing the link with laser welding and filing flush

Answer

Laser welding fuses the metal at the break point and filing it flush restores both strength and appearance.

Question 4

What is the primary purpose of a flex shaft machine in a jewelry bench setting?

Accepted Answer

Driving rotary tools for grinding, drilling, and polishing

Answer

A flex shaft machine powers rotary handpieces used for grinding, drilling, engraving, and polishing tasks at the bench.

Question 5

When tightening a loose prong on a pavé-set ring, which tool minimizes the risk of chipping the small stones?

Accepted Answer

A prong pusher with a polished cup tip

Answer

A prong pusher with a polished cup tip provides controlled pressure over the prong tip, reducing chip risk on small pavé stones.

(CBJ) Certified Bench Jeweler Practice Test