G60 Equipment Inspection and Maintenance 2

Question 1

When should flashback arrestors be installed on a torch system?

Accepted Answer

At both the torch and regulator ends of each hose

Answer

Flashback arrestors should be installed at both the torch end and the regulator end of each hose to provide maximum protection against flashback.

Question 2

What is the purpose of purging gas lines before lighting a torch?

Accepted Answer

To remove any air or mixed gases from the hoses before ignition

Answer

Purging clears air or any mixed gases from hoses and the torch body, preventing a potentially explosive mixture from being ignited at startup.

Question 3

What condition indicates a torch tip needs to be cleaned or replaced?

Accepted Answer

A popping or uneven flame

Answer

A popping, irregular, or uneven flame is a sign that the torch tip orifice is dirty or damaged and needs cleaning or replacement.

Question 4

Which tool is approved for cleaning a clogged torch tip orifice?

Accepted Answer

A tip cleaner (tip drill) of the correct size

Answer

Only an approved tip cleaner (tip drill) of the correct size should be used to clean a torch tip to avoid enlarging or damaging the orifice.

Question 5

What should be done with a cylinder that has a damaged or leaking valve?

Accepted Answer

Label it defective, move it outdoors away from ignition sources, and contact the supplier

Answer

A cylinder with a damaged or leaking valve must be labeled defective, moved safely outdoors away from ignition sources, and reported to the supplier immediately.

(G60) Certificate of Fitness for Torch Use of Flammable Gases Practice Test

(G60) Certificate of Fitness for Torch Use of Flammable Gases Practice Test

G60 Equipment Inspection and Maintenance 2