CERTIFIED BENCH JEWELER (CBJ) PRACTICE EXAMINATION QUESTIONS AND ANSWERS

CERTIFIED BENCH LATEST
JEWELER (CBJ)
PRACTICE
EXAMINATION
1. The primary purpose of a jeweler’s bench pin is to:


A. Hold gemstones
B. Provide support for sawing and filing
C. Melt metal
D. Polish surfaces


Correct Answer: B
Rationale: A bench pin stabilizes the workpiece, allowing precise
sawing, filing, and shaping.


2. A jeweler’s saw frame is used to:


A. Polish metal
B. Cut metal
C. Melt solder

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, CERTIFIED BENCH LATEST
JEWELER (CBJ)
PRACTICE
EXAMINATION
D. Set stones


Correct Answer: B
Rationale: Saw frames hold blades for cutting intricate shapes in metal.


3. Saw blades are selected based on:


A. Color
B. Thickness of metal
C. Weight
D. Temperature


Correct Answer: B
Rationale: Thinner blades are used for fine work; thicker blades for
heavier materials.



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, CERTIFIED BENCH LATEST
JEWELER (CBJ)
PRACTICE
EXAMINATION
4. Lubricating a saw blade helps to:


A. Increase heat
B. Reduce friction and breakage
C. Change color
D. Increase weight


Correct Answer: B
Rationale: Lubrication extends blade life and improves cutting
efficiency.


5. A file is used to:


A. Melt metal
B. Shape and smooth surfaces
C. Cut stones

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, CERTIFIED BENCH LATEST
JEWELER (CBJ)
PRACTICE
EXAMINATION
D. Set prongs


Correct Answer: B
Rationale: Files refine shapes after sawing.


6. Cross filing involves:


A. Filing in one direction only
B. Filing at an angle across the workpiece
C. Polishing
D. Soldering


Correct Answer: B
Rationale: Cross filing removes material efficiently and evenly.


7. Emery paper is used for:
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