Multiple Choice
Why is the water pressure on water cooled torches kept below 35 psi (241 kg/mm2) ?
A) To limit the amount of water that is wasted.
B) To slow the flow of water through the gun.
C) Higher pressures produce higher water flows, and that can cool the welding too much so it would be harder to get a stable arc.
D) Higher water pressures can burst the hoses.
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Unmounted coils are available in weights of
Q7: _ are added to the flux and
Q8: _ can be added to improve hardness,
Q9: The American Welding Society defines _ as
Q28: If you feed out ten feet of
Q29: What can be added to FCAW electrode
Q31: What does the letter "C" stand for
Q31: _ helps the weld by protecting the
Q32: Which of the following is a similarity
Q34: From 75% to 90% of the weight