WELDING RED SEAL PRACTICE TEST QUESTIONS &
ANSWERS
What is brittleness? - Answer -how easily a substance will break or shatter when a
force is applied
What electrode is used for welding high strength pipe such as APIX52 - Answer -
AE4910-AI
What effect does silicon have in carbon steel - Answer -improves oxidation resistance
What effect does carbon have in steel - Answer -improves strength and machineability
4.8mm electrode size in inches - Answer -3/16
The max safe working pressure of acetylene in kpa - Answer -103kpa (15psi)
Kpa to PSI - Answer -1kpa= 0.145psi
Non-ferrous metals dont have ______ as their major ingredient - Answer -iron
Regulators are classified as to their: - Answer -stage and type
4mm electrode - Answer -5/16
With stagger welding: - Answer -the main purpose is to spread the heat throughout the
joint
When referring to clad steels, the thickeness of the clad material is expressed as a : -
Answer -percentage of the total thickness of the composite material
3.2mm electrode - Answer -1/8 (90-130 amps)
What is a characteristic of magnesium as an aluminum alloy - Answer -its good
corrosion resistance ad ductility
What is the advantage of argon shielding gas used on carbon steel used machine
conditions - Answer -ease of manipulation and overheating
The maxiumum material thickness fofr a double-welded square groove weld is ____mm
- Answer -6.4MM 1/4inch
What type of line would be used to show alternate position of a part - Answer -phantom
line
ANSWERS
What is brittleness? - Answer -how easily a substance will break or shatter when a
force is applied
What electrode is used for welding high strength pipe such as APIX52 - Answer -
AE4910-AI
What effect does silicon have in carbon steel - Answer -improves oxidation resistance
What effect does carbon have in steel - Answer -improves strength and machineability
4.8mm electrode size in inches - Answer -3/16
The max safe working pressure of acetylene in kpa - Answer -103kpa (15psi)
Kpa to PSI - Answer -1kpa= 0.145psi
Non-ferrous metals dont have ______ as their major ingredient - Answer -iron
Regulators are classified as to their: - Answer -stage and type
4mm electrode - Answer -5/16
With stagger welding: - Answer -the main purpose is to spread the heat throughout the
joint
When referring to clad steels, the thickeness of the clad material is expressed as a : -
Answer -percentage of the total thickness of the composite material
3.2mm electrode - Answer -1/8 (90-130 amps)
What is a characteristic of magnesium as an aluminum alloy - Answer -its good
corrosion resistance ad ductility
What is the advantage of argon shielding gas used on carbon steel used machine
conditions - Answer -ease of manipulation and overheating
The maxiumum material thickness fofr a double-welded square groove weld is ____mm
- Answer -6.4MM 1/4inch
What type of line would be used to show alternate position of a part - Answer -phantom
line
