Oxyfuel Cutting Set Exam Tested
Questions & Reviewed Correct
Detailed Answers
New Update!!
1. Most welding environment fires occur during? - ANSWER Oxyfuel gas
welding or cutting
2. As a standard practice always ___________________ any tanks or barrels to
displace any oxygen. - ANSWER Clean and fill with water (or purge with
gas)
3. What causes a fire to flare and burn out of control? - ANSWER Pure
Oxygen
4. When mixed with ___________ oxygen produces the high-temp flame
required to cut metals. - ANSWER Fuel gas
5. The most common Oxygen cylinder size used in cutting is the _________
cylinder. (>4' tall & 9" dia.) - ANSWER 227 cubic ft.
6. If a cylinder is tipped over stand it up and wait ____________ before using it.
- ANSWER at least 1 hour
, 7. With Acetylene the hourly rate should not exceed ____________ of the
cylinder capacity. - ANSWER one seventh
8. what fuel burns at 4,580 degrees (F), which is the lowest temp of the common
fuel gases? - ANSWER Propane
9. Most regulators contain 2 gauges. the high pressure gauge indicates the
_______________ (upstream). the low pressure gauge indicates
______________ (downstream). - ANSWER Actual cylinder pressure, The
pressure leaving the regulator
10. As a reminder that the regulator has left handed threads a ________ may be
cut into the fitting nut. (fuel regulators) - ANSWER V notch
11. The injector torch is designed to use a _________ created by the
_________________ to draw the necessary fuel from a low pressure fuel
source like natural gas. - ANSWER Vacuum, oxygen flow
12. A __________ works by rubbing a flint on a steel surface creating sparks. -
ANSWER Friction lighter
13. The computer controlled plate cutting machine is a ____________ machine. -
ANSWER Fixed location
14. To crack open a cylinder valve first ensure it is ___________ then crack the
cylinder momentarily to _______________ from the valve opening. -
ANSWER Fully secured, remove any dirt
Questions & Reviewed Correct
Detailed Answers
New Update!!
1. Most welding environment fires occur during? - ANSWER Oxyfuel gas
welding or cutting
2. As a standard practice always ___________________ any tanks or barrels to
displace any oxygen. - ANSWER Clean and fill with water (or purge with
gas)
3. What causes a fire to flare and burn out of control? - ANSWER Pure
Oxygen
4. When mixed with ___________ oxygen produces the high-temp flame
required to cut metals. - ANSWER Fuel gas
5. The most common Oxygen cylinder size used in cutting is the _________
cylinder. (>4' tall & 9" dia.) - ANSWER 227 cubic ft.
6. If a cylinder is tipped over stand it up and wait ____________ before using it.
- ANSWER at least 1 hour
, 7. With Acetylene the hourly rate should not exceed ____________ of the
cylinder capacity. - ANSWER one seventh
8. what fuel burns at 4,580 degrees (F), which is the lowest temp of the common
fuel gases? - ANSWER Propane
9. Most regulators contain 2 gauges. the high pressure gauge indicates the
_______________ (upstream). the low pressure gauge indicates
______________ (downstream). - ANSWER Actual cylinder pressure, The
pressure leaving the regulator
10. As a reminder that the regulator has left handed threads a ________ may be
cut into the fitting nut. (fuel regulators) - ANSWER V notch
11. The injector torch is designed to use a _________ created by the
_________________ to draw the necessary fuel from a low pressure fuel
source like natural gas. - ANSWER Vacuum, oxygen flow
12. A __________ works by rubbing a flint on a steel surface creating sparks. -
ANSWER Friction lighter
13. The computer controlled plate cutting machine is a ____________ machine. -
ANSWER Fixed location
14. To crack open a cylinder valve first ensure it is ___________ then crack the
cylinder momentarily to _______________ from the valve opening. -
ANSWER Fully secured, remove any dirt
