Oxy-fuel Cutting UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
The most suitable cutting process to use on ferrous b. oxy-fuel cutting
metals such as straight carbon steel is _.
a. carbon arc cutting
b. oxyfuel cutting
c. powder cutting
d. plasma arc cutting
The oxidation that occurs during an oxy-fuel cutting c. rusting process
operation is similar to a greatly sped-up _.
a. tempering process
b. annealing process
c. rusting process
d. crystallizing process
For long-term cutting of materials containing cadmium or c. HEPA-rated filter
mercury, always wear an approved _.
a. supplied air respirator
b. metal-fume filter
c. HEPA-rated filter
d. standard respirator
When performing oxy-fuel cutting, it is acceptable to b. a face shield over safety glasses
wear __ _.
a. a cap and safety glasses
b. a face shield over safety glasses
c. a hard hat and sunglasses
d. a vented mesh cotton hood
, Two types of gases that tend to concentrate in and along
low areas are _.
a. acetylene and propylene
b. methane and butane
c. propylene and propane
d. butane and propane
Combining pure oxygen with a burning material causes a a. burn rapidly and violently
fire to __ _.
a. burn rapidly and violently
b. pop loudly and extinguish
c. die down and then flare up
d. burn cooler and more slowly
In the top and bottom of an acetylene cylinder are safety a. 212°F (100°C)
plugs with a melting point of _.
a. 212°F (100°C)
b. 260°F (126.7°C)
c. 300°F (148.9°C)
d. 330°F (165.6°C)
Three fuel gases other than acetylene used for cutting c. natural gas, propylene, and propane
include __ _.
a. argon, oxygen, and helium
b. methane, butane, and oxygen
c. natural gas, propylene, and propane
d. benzene, halon, and fluorine
As a reminder that the regulator on a cylinder has left- d. nut
handed threads, a V-notch is sometimes cut around
the ___.
a. regulator
b. cylinder
c. threads
d. nut
The hoses used to carry oxygen from the cylinder to the c. green
torch are usually _.
a. red
b. blue
c. green
d. orange
The special cutting tip for cutting off bolt heads and nuts c. rivet cutting tip
is called a _ _.
a. gouging tip
b. flue cutting tip
c. rivet cutting tip
d. piercing tip
The most suitable cutting process to use on ferrous b. oxy-fuel cutting
metals such as straight carbon steel is _.
a. carbon arc cutting
b. oxyfuel cutting
c. powder cutting
d. plasma arc cutting
The oxidation that occurs during an oxy-fuel cutting c. rusting process
operation is similar to a greatly sped-up _.
a. tempering process
b. annealing process
c. rusting process
d. crystallizing process
For long-term cutting of materials containing cadmium or c. HEPA-rated filter
mercury, always wear an approved _.
a. supplied air respirator
b. metal-fume filter
c. HEPA-rated filter
d. standard respirator
When performing oxy-fuel cutting, it is acceptable to b. a face shield over safety glasses
wear __ _.
a. a cap and safety glasses
b. a face shield over safety glasses
c. a hard hat and sunglasses
d. a vented mesh cotton hood
, Two types of gases that tend to concentrate in and along
low areas are _.
a. acetylene and propylene
b. methane and butane
c. propylene and propane
d. butane and propane
Combining pure oxygen with a burning material causes a a. burn rapidly and violently
fire to __ _.
a. burn rapidly and violently
b. pop loudly and extinguish
c. die down and then flare up
d. burn cooler and more slowly
In the top and bottom of an acetylene cylinder are safety a. 212°F (100°C)
plugs with a melting point of _.
a. 212°F (100°C)
b. 260°F (126.7°C)
c. 300°F (148.9°C)
d. 330°F (165.6°C)
Three fuel gases other than acetylene used for cutting c. natural gas, propylene, and propane
include __ _.
a. argon, oxygen, and helium
b. methane, butane, and oxygen
c. natural gas, propylene, and propane
d. benzene, halon, and fluorine
As a reminder that the regulator on a cylinder has left- d. nut
handed threads, a V-notch is sometimes cut around
the ___.
a. regulator
b. cylinder
c. threads
d. nut
The hoses used to carry oxygen from the cylinder to the c. green
torch are usually _.
a. red
b. blue
c. green
d. orange
The special cutting tip for cutting off bolt heads and nuts c. rivet cutting tip
is called a _ _.
a. gouging tip
b. flue cutting tip
c. rivet cutting tip
d. piercing tip
