G60 Equipment Inspection and Maintenance

Question 1

Before using a torch, what must you inspect on the hoses?

Accepted Answer

Check for cracks, cuts, abrasions, and leaks

Answer

Hoses must be inspected for physical damage including cracks, cuts, abrasions, and any signs of leaks before each use.

Question 2

How often should torch equipment be formally inspected by a qualified person under NYC fire code?

Accepted Answer

At least annually

Answer

NYC fire code requires that torch equipment used with flammable gases be formally inspected by a qualified person at least annually.

Question 3

What does a green hose indicate on an oxy-fuel torch setup?

Accepted Answer

Oxygen hose

Answer

Green hoses are the standard color code for oxygen in oxy-fuel torch systems to prevent dangerous mix-ups with fuel gas hoses.

Question 4

What is the correct action if a regulator diaphragm shows signs of wear or damage?

Accepted Answer

Remove it from service and replace it before use

Answer

A damaged regulator diaphragm must be immediately removed from service and replaced, as it can cause inaccurate pressure control and leaks.

Question 5

Which component prevents oxygen from flowing back into the fuel gas hose?

Accepted Answer

Check valve (non-return valve)

Answer

Check valves, also called non-return valves, are installed to prevent reverse flow of gases between the oxygen and fuel lines.

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