RED SEAL WELDING Prep Questions
100% Correct Solutions
Why is a smaller tip used rather than turning a torch down when cutting thin
materials? - ANSWER To prevent burn back into the torch
If the bottom edge of the OFC is irregular and rough, what is the likely cause? -
ANSWER Travel speed to slow
PAC uses what mode of process operation? - ANSWER Transferred arc
When must fall protection be employed? - ANSWER Heights greater than 10' 3M
What is the max noise for workers to be exposed to? - ANSWER 85Dba
How far should a ladder extend past a roof ledge? - ANSWER 3 feet
What's the square reef knot used for? - ANSWER Tying 2 ropes of equal
diameter together
If your sling included angle exceeds _______ ° you should use a spreader bar. - ANSWER
120
, When you hear the popping sound in oxy-fuel, what is happening? - ANSWER Back fire
What is more serious flashback or backfire? - ANSWER Flashback
What is the critical point of acetylene? - ANSWER 21°C / 28 PSI it explodes
How far should open a fuel gas cylinder? - ANSWER 1 1/2-2 turns
What are oxy-fuel fittings and connections made of? - ANSWER Brass alloy
Backfire occurs when the fire goes? - ANSWER Back into the tip
The first step in putting out a fire in the hose is to? - ANSWER Close the oxygen
cylinder valve
What is a rosebud tip used for? - ANSWER Heating metal
What is plasma? - ANSWER Super heated gas... ionizing gas
In CAC-A if you want a 3/8 groove, what ø rod should you use? - ANSWER 1/4"
CAC-A what should your travel angle be? - ANSWER 30°
What should you r electrode stickout be in CAC-A? - ANSWER 4-6"
100% Correct Solutions
Why is a smaller tip used rather than turning a torch down when cutting thin
materials? - ANSWER To prevent burn back into the torch
If the bottom edge of the OFC is irregular and rough, what is the likely cause? -
ANSWER Travel speed to slow
PAC uses what mode of process operation? - ANSWER Transferred arc
When must fall protection be employed? - ANSWER Heights greater than 10' 3M
What is the max noise for workers to be exposed to? - ANSWER 85Dba
How far should a ladder extend past a roof ledge? - ANSWER 3 feet
What's the square reef knot used for? - ANSWER Tying 2 ropes of equal
diameter together
If your sling included angle exceeds _______ ° you should use a spreader bar. - ANSWER
120
, When you hear the popping sound in oxy-fuel, what is happening? - ANSWER Back fire
What is more serious flashback or backfire? - ANSWER Flashback
What is the critical point of acetylene? - ANSWER 21°C / 28 PSI it explodes
How far should open a fuel gas cylinder? - ANSWER 1 1/2-2 turns
What are oxy-fuel fittings and connections made of? - ANSWER Brass alloy
Backfire occurs when the fire goes? - ANSWER Back into the tip
The first step in putting out a fire in the hose is to? - ANSWER Close the oxygen
cylinder valve
What is a rosebud tip used for? - ANSWER Heating metal
What is plasma? - ANSWER Super heated gas... ionizing gas
In CAC-A if you want a 3/8 groove, what ø rod should you use? - ANSWER 1/4"
CAC-A what should your travel angle be? - ANSWER 30°
What should you r electrode stickout be in CAC-A? - ANSWER 4-6"
