Unit 22 - Using Gas Welding Equipment

Gas can be compressed with a:

• cylinder
• lever
• pump
• valve

Acetylene may be dangerous because it is:

• compressed
• flammable
• explosive
• all of these are correct

Which gas is not a fuel used for torches?

• acetylene
• oxygen
• propane
• all of these are fuels

Oxygen and acetylene hoses can stand pressure because they are:

• color coded
• extra thick
• made of steel
• reinforced

Oxygen hoses and related equipment are color coded:

• green
• ivory
• orange
• red

Acetylene hoses and related equipment are color coded:

• green
• ivory
• orange
• red

The acetylene pressure to light a torch should be:

• 5 psi
• 15 psi
• 25 psi
• 50 psi

Gas leaks are checked with:

• compressed air
• flame
• soapy water
• teflon

weld

• join by fusion
• pressure
• cylinder
• balanced
• tape

gas

• expands without limit
• pressure
• cylinder
• balanced
• tape