DCA Advanced Jewelry Repair & Design Techniques 5

Question 1

What is the purpose of a pickle solution in a jewelry workshop?

Accepted Answer

To clean metal by removing flux residue and oxides after soldering

Answer

Pickle is a mild acid solution (often sodium bisulfate) used to dissolve flux residue and surface oxides from metal after soldering, leaving a clean surface.

Question 2

In CAD/CAM jewelry design, what does the acronym CAM stand for?

Accepted Answer

Computer-Aided Manufacturing

Answer

CAM (Computer-Aided Manufacturing) refers to using software and machines like 3D printers or CNC mills to produce a physical model from a digital design file.

Question 3

When a customer requests a ring to be converted from a four-prong to a six-prong setting, the jeweler must first consider:

Accepted Answer

Whether the existing head can be modified or if a new head must be fabricated

Answer

Converting prong count often requires replacing the head (the prong assembly) because adding prongs to an existing head may not be structurally feasible.

Question 4

What distinguishes a 'flush' or 'gypsy' setting from other setting styles?

Accepted Answer

The stone is set level with the metal surface with no protruding metal above it

Answer

In a flush (gypsy) setting, the stone is set into a drilled hole so its table sits level with the surrounding metal surface, with no prongs or bezel raised above it.

Question 5

What is 'mokume-gane' in jewelry design?

Accepted Answer

A Japanese technique of laminating and manipulating mixed metal layers to create wood-grain patterns

Answer

Mokume-gane is a traditional Japanese metalworking technique that bonds alternating layers of different metals and then manipulates them to reveal swirling wood-grain-like patterns.

(DCA) Certified Diamond Council of America Diamond Specialist Practice Test

(DCA) Certified Diamond Council of America Diamond Specialist Practice Test

DCA Advanced Jewelry Repair & Design Techniques 5