Question

when operating the oxy - fuel system, it is unsafe to

select one:
a. oil the regulators
b. lay a burning torch down
c. use the oxygen tank as compressed air to clean dust off of clothes
d. release gases into the atmosphere
e. all of these

Explanation:

To determine the unsafe action in oxy - fuel system operation:

• Option a: Oiling regulators is unsafe as oil can react with oxygen under pressure, causing explosions.
• Option b: Laying a burning torch down is unsafe as it can cause fires or accidents.
• Option c: Using oxygen tank air to clean clothes is unsafe as oxygen can increase fire risk on clothes.
• Option d: Releasing gases (especially fuel gases) into the atmosphere can lead to fire/explosion hazards.

Since all options a - d are unsafe actions, option e is correct.

Answer:

e. All of these