OAW Equipment Review

Acetylene has a detectable odor. True or False?

• True

• False

A cylinder cart should be used to move gas cylinders. True or False?

• True

• False

Oxygen cylinders are packed with a porous material to store oxygen safely. True or False?

• True

• False

A pair of pliers should be used to install the tip on the welding torch. True or False?

• True

• False

MAPP gas is more sensitive to shock than acetylene. True or False?

• True

• False

Cylinders should not be exposed to any open fire, heat, or sparks from the torch.

• True

• False

Acetylene gas ___.

• has a very distinctive, nauseating odor

• must be used in a mixture with MAPP gas

• is yellow in color

• is formed by the mixture of carbon and nitrogen

What percentage of the atmosphere is oxygen?

• 20%

• 30%

• 40%

• 50%

At operating pressures over 15 psi, ___ becomes unstable.

• flash arrestor

• oxygen

• acetylene

• protector cap

• acetone

A ___ transports oxygen.

• red hose

• green hose

• clamp

• right-hand thread

• left-hand thread