Oxyfuel Cutting Exam
Set Questions With Reviewed
Correct Detailed Answers
New Update!!
1. What is oxyfuel cutting (OFC), which is also known as flame cutting or
burning? - ANSWER It is process that uses the flame and oxygen from a
cutting torch to cut ferrous metals
2. What does the cutting process result in ? - ANSWER In oxides that mix
with molten iron and produce dross, which is blown from the cut by the jet
of cutting system
3. Which metals is the oxyfuel cutting process usually used on? - ANSWER
Ferrous metals such as straight carbon steels, which oxidize rapidly
4. What height should your high-top safety shoes or boots be? - ANSWER
8" or taller
5. What is the required thichness of a face sheild, according to ANSI Z 49.1 -
ANSWER 3 to 6 filter is recommended, depending on th thicknesss of
the metal
, 6. What do you need to have before you perform any type of heating,
cutting, or welding? - ANSWER A hot work permit and an approved fire
watch is established
7. What is lighter than air but is more dangerous when mixed wiht air or
oxygen and witll explode at much lower concentrations than any other
fuel? - ANSWER Acetylene
8. What should you do before cutting containers? - ANSWER Check to
see what materials they contained, clean them, and fill with water, or you
can purge them with a flow of inert gas to diplace any oxygen
9. Which materials or coatings, when cut, result in toxic fumes? - ANSWER
Cadmium, Mercury, Lead, Zinc, Chromium, and Beryllium
10. What happens when pure oxygen is combined with burning material? -
ANSWER A fire flares and burns out of control
11. What happens pure oxygen is mixed with fuel gases? - ANSWER It
produces the high-temperature flame required in order to flame cut metals
12. How is oxygen stored? - ANSWER At more than 2,000 psi in hollow
steel cylinders?
13. What is the most common size oxygen cylinder used for welding and
cutting operations? - ANSWER 227 cubic foot cylinder
Set Questions With Reviewed
Correct Detailed Answers
New Update!!
1. What is oxyfuel cutting (OFC), which is also known as flame cutting or
burning? - ANSWER It is process that uses the flame and oxygen from a
cutting torch to cut ferrous metals
2. What does the cutting process result in ? - ANSWER In oxides that mix
with molten iron and produce dross, which is blown from the cut by the jet
of cutting system
3. Which metals is the oxyfuel cutting process usually used on? - ANSWER
Ferrous metals such as straight carbon steels, which oxidize rapidly
4. What height should your high-top safety shoes or boots be? - ANSWER
8" or taller
5. What is the required thichness of a face sheild, according to ANSI Z 49.1 -
ANSWER 3 to 6 filter is recommended, depending on th thicknesss of
the metal
, 6. What do you need to have before you perform any type of heating,
cutting, or welding? - ANSWER A hot work permit and an approved fire
watch is established
7. What is lighter than air but is more dangerous when mixed wiht air or
oxygen and witll explode at much lower concentrations than any other
fuel? - ANSWER Acetylene
8. What should you do before cutting containers? - ANSWER Check to
see what materials they contained, clean them, and fill with water, or you
can purge them with a flow of inert gas to diplace any oxygen
9. Which materials or coatings, when cut, result in toxic fumes? - ANSWER
Cadmium, Mercury, Lead, Zinc, Chromium, and Beryllium
10. What happens when pure oxygen is combined with burning material? -
ANSWER A fire flares and burns out of control
11. What happens pure oxygen is mixed with fuel gases? - ANSWER It
produces the high-temperature flame required in order to flame cut metals
12. How is oxygen stored? - ANSWER At more than 2,000 psi in hollow
steel cylinders?
13. What is the most common size oxygen cylinder used for welding and
cutting operations? - ANSWER 227 cubic foot cylinder
