Welding Knowledge

____________ is mixed with acetylene to make it hotter when burned

• pure oxygen

• pure hydrogen

• pure nitrogen

• pure carbon

_________________ is a welding that creates an electric arc between an electrode and the base metal

• Shielded Metal Arc Welding

• Saturated Metal Arc Welding

• Separated Metal Arc Welding

• Super Metal Arc Welding

When arc welding do not use cables that are

• welded
• soldered
• cracked, cut, frayed
• spliced

When starting to arc weld, the operator should

• turn on the exhaust fan 
• clean area of scraps and tools
• shield others from arc rays
• all of these

What type of welding produces slag?

• MIG
• TIG
• OxyAcetylene
• Stick

What type of welding does not require electrical power?

• MIG
• OxyAcetylene
• TIG
• Stick

Which welding process below can perform fusion without an electrode or filler metal?

• Stick
• OxyAcetylene
• MIG
• None of the above

The welding are should be kept free from which of the following ?

• grease, fuels, & solvents
• Ultraviolet Rays
• Electrodes
• Infrared Rays

Arc welding  can produce _________that can damage your eyes.

• Ultra Violet Light 
• Gases
• Noise
• Heat

Which is "a process that uses electricity to heat and melt metal"?

• Arc welding

• Welding in the shop

• Metal fabrication

• Ag Welding