Equipment Inspection and Maintenance Flashcards
6 cards from real G60 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Equipment Inspection and Maintenance flashcards as text
Before using a torch, what must you inspect on the hoses?
Answer: Check for cracks, cuts, abrasions, and leaks
Hoses must be inspected for physical damage including cracks, cuts, abrasions, and any signs of leaks before each use.
How often should torch equipment be formally inspected by a qualified person under NYC fire code?
Answer: At least annually
NYC fire code requires that torch equipment used with flammable gases be formally inspected by a qualified person at least annually.
What does a green hose indicate on an oxy-fuel torch setup?
Answer: Oxygen hose
Green hoses are the standard color code for oxygen in oxy-fuel torch systems to prevent dangerous mix-ups with fuel gas hoses.
What is the correct action if a regulator diaphragm shows signs of wear or damage?
Answer: Remove it from service and replace it before use
A damaged regulator diaphragm must be immediately removed from service and replaced, as it can cause inaccurate pressure control and leaks.
Which component prevents oxygen from flowing back into the fuel gas hose?
Answer: Check valve (non-return valve)
Check valves, also called non-return valves, are installed to prevent reverse flow of gases between the oxygen and fuel lines.
What is the proper method to test a hose connection for leaks?
Answer: Apply an approved leak-detection solution and look for bubbles
An approved leak-detection solution applied to connections will produce visible bubbles if gas is escaping — never use an open flame to check for leaks.