Oxy-Ace Safety
Acetylene
Which valve should only be opened 1/4 - 1/2 turn?
Oxy Ace Cylinder Valve
What type of flame is best for heating, cutting & welding?
Neutral Flame
Two pieces of metal are lying end to end or edge to edge. What is the name of the point/area (joint) where the parts are joined?
But Joint
Hardening makes metal stronger but also more _________.
Brittle
What is the correct tool used to light a torch?
Friction/Spark/Torch Lighter
What position should the regulator screw be in when the unit is not in use?
Backed Out/Loose
What is the hottest flame type?
Oxidizing Flame
Two pieces if metal are overlapping. What is the name of the point/area (joint) where the parts are joined?
Lap Joint
Light Cherry Red
What is the correct method to check for leaks?
Soapy Water
What step should be done before attaching regulators to remove dust?
Quickly opening and closing of the cylinder valves
When first lit, what is the flame type displayed due to excess acetylene?
Carbonizing Flame
Two pieces of metal are forming a 90 degree angle. What is the name of the point/area (joint) where the parts are joined?
Corner Joint
What is the process of cooling metal slowly to soften it called?
Annealing
What position should cylinders must always be in when stored or transported?
Upright & Chained
What two gases are combined in an oxy-ace setup?
Oxygen & Acetylene
What should the white cone of the flame do when welding sheet metal?
Not quite touch the metal
What property of metal should the filler rod match? (What information determines the filler rod you should use?)
Thickness
If you quench a tool too soon, what might the tool do?
Crack/Shatter
What shade lens number is required for safe oxy-fuel cutting or welding?
Shade #5
What is the most common welding tip number used in Oxy-Ace welding?
Number 5
What two factors determine the width of the weld puddle?
Penetration/Depth Punctured & Welding Tip Movement
This weld type is used when metal pieces are 90 degrees to each other and joined in the corner. What type of weld would you use to join these together?
Fillet Weld
What two processes does annealing reverse the effects of?
Hardening & Tempering