Oxy-acetylene Flashcards
What # and colour of shade is most suitable for heating and cutting.
4 or#5 GREEN
A hot welding tip may result in what?
Backfiring
What are used to prevent “flashback fires”
Flashback arrestors
What is the temperature of the Acetylene flame?
800°C
What type of flame would be used for heating, welding, and blazing?
Neutral flame
Why should you not light the torch with a mixture of oxygen and acetylene?
Causes flashback into torch handle and/or hoses
What cutting tip size would you use for a 1 inch thick piece of metal?
2
What should you do when the flame tips are not even?
Clean the pre heat holes
What does it mean when the flames are uneven?
The pre-heat tip needs to be cleaned.
How hot is an acetylene flame?
800c
Why don’t you light a torch with a mixture of oxygen and acetylene?
It will cause a flashback into the handle and/or hoses
