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WorksheetsAluminum welding: quiz
Total questions: 12
Worksheet time: 9mins
What does the letter “E” in E4043 stand for?
Electromagnet
Electrode
Energy source
Element
What is the primary alloying element in E4043?
Magnesium
Manganese
Silicon
Copper
What do the digits “043” in E4043 indicate?
The melting temperature of the filler metal
The filler’s color and hardness
Impurity limits and aluminum content
The manufacturer’s batch code
Which of the following aluminum alloys are compatible with E4043?
6061 and 3003
1100 and 2024
7075 and 5086
4047 and 2219
Which welding positions can E4043 be used in?
Vertical and overhead
Flat and horizontal
All positions
Flat only
Which of the following are hazards produced by the welding process?
Harmful light, fumes, and sparks
Low noise levels and cold air
Dust and humidity
Static electricity
What types of protective clothing should a welder wear?
Short sleeves and nylon gloves
Cotton or wool long sleeves, gloves, and welding hood
Synthetic shirts and plastic face shield
T-shirt and sunglasses
What is the purpose of a respirator during welding?
What is amperage in welding?
The voltage setting on the machine
The speed of travel during welding
The amount of electrical current (heat) flowing
The size of the filler metal
What happens if the amperage is set too high?
Weak penetration and unstable arc
Burn-through and excessive spatter
The arc won’t start
The weld bead becomes too narrow
What should be done if a weld has underfill in some areas?
Paint over it
Grind it out and reweld
Add flux on top
Increase shielding gas
What rod size was used in the demonstration?
1/8"
3/32"
5/32"
1/16"
