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

Only check the color coding

Answer

Inspect the torch tip only

Answer

Verify the hose length

Question 2

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

Accepted Answer

At least annually

Answer

Every five years

Answer

Only when visibly damaged

Answer

Every three years

Question 3

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

Accepted Answer

Oxygen hose

Answer

Fuel gas hose

Answer

Inert gas hose

Answer

Water cooling hose

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

Continue use until the next scheduled maintenance

Answer

Apply sealant to the damaged area

Answer

Reduce operating pressure to compensate

Question 5

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

Accepted Answer

Check valve (non-return valve)

Answer

Pressure regulator

Answer

Needle valve

Answer

Flashback arrestor only

Question 6

What is the proper method to test a hose connection for leaks?

Accepted Answer

Apply an approved leak-detection solution and look for bubbles

Answer

Use an open flame to detect escaping gas

Answer

Listen carefully for hissing sounds only

Answer

Increase pressure and check for pressure drop on gauge