The basics
This is the most common type of underwater welding, performed directly in the open water
Wet welding
This clear shield protects the diver's eyes from intense UV radiation and flashes
Welding lens/filter
This is a type of gas that expand inside a diver's bloodstream if they surface too fast, causing "bends"
nitrogen
What is the first thing an underwater welder will get from their schooling
A high school diploma
Underwater welding connects _____
Metal parts together below water surface
This type of welding is done inside a sealed, dry chamber lowered over the work area
Dry welding
Welding gloves.
Trapped pockets of these two highly explosive gases can form during wet welding, creating a massive explosion hazard
Hydrogen and Oxygen.
What does AWS stand for?
American Welding Society
40,000 to 60,000 for beginners, while proffesionals can make 80,000 to 150,000 dollars annually
This basic electric process is the primary method used for wet underwater welding
Stick welding
This safety switch on the surface cuts off power to the welding torch when requested by the diver
Knife switch
Becuase water conducts electricity _______ can occur.
fatal electric shocks
What do you need from the AWS to become and underwater welder?
A welding certificate
When was underwater welding invented?
1932
This type of electrical current is strictly used in wet welding to protect the diver from severe shick
Direct Current
Divers use this specialized tool to physically clear away slag and clean a completed weld bead underwater
Chipping hammer
What can happen due to equpiment failures?
Drowning
Profficiency and ______ in both wet and _____ welding techinques.
The two types of underwater weldings are...
Wet and Dry
To prevent electricity from leaking into the water, underwater electrodes must have this specific feature
A waterproof coating
This specific commercial diving helmet model is an industry standard often outfitted with welding shield
Kirby morgan helmet
High pressure exposure can cuase ______.
bone rot, hearing loss, and/or nervous system issues (any answer works)
Physical onditioning, comfort, and understading of safety protocols/dive planning is needed in what environements?
The metal could become brittle after being welded due to the...
Cold water temperatures cooling down the metal fastly