Check-On Learning #5

What fuel gas is best suited for welding?

• Propane

• MAPP

• Acetylene

• Methane

Acetylene reaches temperatures in excess of 5000 degrees.

• True

• False

What minimum shade lenses is required when using oxy/fuel?

• 15

• 13

• 9

• 5

An oxygen cylinder has a double-seating valve!

• True

• False

Acetylene becomes unstable when used beyond what PSI in the United States?

• 5

• 10

• 15

• 20

An oxy/fuel flame produces ultra-violet light?

• True

• False

When storing both fuel gases and oxygen together, what is the minimum fire-rating time in minutes?

• 15

• 20

• 25

• 30

Equal amounts of oxygen and fuel gas is called an oxidizing flame?

• True

• False

What is not a function of the oxy/fuel processes?

• cutting

  stanless steel

• gouging

  mild steel

• piecing

  mild steel

• brazing

  dissimilar

  metals

Compressed oxygen and grease can combust when they come in contact with each other?

• True

• False