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
Q16: Which of the following is true of
Q17: FCA welding guns are available as water-cooled
Q18: Which of the following is true of
Q19: When an externally supplied shielding gas is
Q20: Multifunction _ welding machines have become the
Q22: Which of the following is true of
Q23: The addition of _ gives FCAW the
Q24: _ may convert small amounts of surface
Q25: Atmospheric contamination of molten weld metal occurs
Q26: What can be added to FCAW electrode