🛠️ Category: Equipment Basics
This is the gas used in combination with oxygen for flame production in oxyacetylene welding.
What is acetylene.
The hottest and most commonly used flame for welding.
What is a neutral flame?
Always do this before lighting the torch.
What is check for leaks or open the cylinder valves.
If the torch makes a whistling sound, it usually means this.
What is too much gas pressure?
This is the melting point of mild steel (approx.).
What is 2,500°F (or 1,370°C)?
This component reduces the pressure of the gas coming from the cylinder to a usable level.
What is a regulator.
This flame has excess oxygen and is used for welding certain metals like brass.
What is an oxidizing flame?
Acetylene should never be used at pressures above this PSI.
What is 15 PSI.
If the flame keeps popping, this might be the problem.
What is a dirty or blocked tip?
This motion is typically used when welding with a torch.
What is a circular or weaving motion?
This color is typically used to indicate an oxygen hose.
What is green.
A carburizing flame has an excess of this gas.
What is acetylene?
This should be worn to protect your eyes while welding.
What are safety goggles or welding goggles?
A backfire is often caused by this improper technique.
What is touching the tip to the workpiece or improper gas setting?
This filler metal is often used with oxyacetylene welding on steel.
What is mild steel rod?
This tool is used to light the torch safely.
What is a spark lighter or flint striker?
This flame type is best for welding steel.
What is a neutral flame?
This should never be used to check for gas leaks.
What is an open flame?
If no gas comes out when you open the valves, check this first.
What is the cylinder or regulator?
What color should the molten weld pool be when it's ready for filler rod?
What is bright cherry red?
Name the valve that prevents flame from traveling back into the hoses.
What is a flashback arrestor?
What visible feature distinguishes a carburizing flame from the others?
What is the long feathered inner cone?
What should be done first in the event of a flashback?
What is shut off the torch valves, then the cylinder valves?
Name two signs of flashback.
What are hissing/squealing sounds and smoke from the torch handle or hoses?
What is the purpose of the inner cone of the flame during welding?
What is to provide the heat for melting the base and filler metals?