Jewelry Practice Exam Questions And

FDNY G61 Torch Use In Manufacture Of Jewelry Practice Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What type of torch fuel is commonly used in jewelry manufacturing?
• Propane
• Diesel
• Gasoline
• Butane
• Butane

Because butane is commonly used for controlled, small-scale flame operations in jewelry soldering and heating.

2. The G61 Certificate of Fitness holder must be present when:

• The building is open
• Torches are actively in use 1 / 4

• The store is closed
• The FDNY visits
• Torches are actively in use

Because FDNY requires responsible supervision during torch operation.

• What is the purpose of a flashback arrestor in torch systems?
• Increasing flame temperature
• Reducing oxygen levels
• Preventing flame from entering gas line
• Cooling the torch
• Preventing flame from entering gas line

Because a flashback arrestor stops dangerous reverse-flow of flame into the hose or cylinder.

• What must be available within 10 feet of any torch workstation?
• Water bucket
• Large broom
• Class B fire extinguisher
• Air compressor
• Class B fire extinguisher

Because Class B extinguishers are required for flammable gas or liquid fires.

5. A proper ventilation system is required to:

• Save electricity 2 / 4

• Increase humidity
• Remove harmful gases and fumes
• Reduce lighting
• Remove harmful gases and fumes

Because soldering torches create fumes that must be exhausted from the workplace.

6. When cylinders are stored, they must be kept:

• Horizontally
• On the roof
• Next to power cables
• Upright and secure
• Upright and secure

Because upright storage prevents leakage and ensures proper valve function.

7. When detecting leaks, the appropriate method is to use:

• A lighter
• A match
• Soapy water
• A candle
• Soapy water

Because soapy water safely reveals bubbles at leak points without ignition risk. 3 / 4

8. Oxygen cylinders must be stored:

• With fuel cylinders
• With cleaning chemicals
• Separately from fuel gases
• Under water
• Separately from fuel gases

Because FDNY requires separation to prevent explosive mixtures.

9. When torching precious metals, the operator should wear:

• Wool gloves
• Loose-fitting sleeves
• Protective eyewear
• Plastic gloves
• Protective eyewear

Because eye protection is necessary against sparks and bright flame.

10. Before using the torch, the operator must:

• Turn off ventilation
• Take off safety gear
• Execute a pre-use inspection
• Increase gas pressure
• Execute a pre-use inspection

Because checking connections and valves prevents accidents.

11. A jewelry torch flame that is too large may:

• Improve precision
• / 4