Iron Worker Final Verified Multiple Choice and Conceptual Actual Frequently Tested Exam Questions With Reviewed 100% Correct Detailed Answers Guaranteed Pass!!Current Update!!

Iron Worker Final Verified Multiple Choice
and Conceptual Actual Frequently Tested
Exam Questions With Reviewed

100% Correct Detailed Answers

Guaranteed Pass!!Current Update!!

1. The kindling temperature of steel is:
A. 1200°F
B. 1400°F
C. 1600°F
D. 1800°F


2. One advantage of the OFC (Oxy-Fuel Cutting) process is that it is:
A. Stationary
B. Portable
C. Automatic
D. Complex


3. The materials that can be cut with OFC are limited primarily to ______
materials.
A. Ferrous
B. Non-ferrous
C. Plastic
D. Composite

, 4. When a welder opens the cylinder valve slightly and closes it immediately,
what process is performed?
A. Bleeding the line
B. Cracking the cylinder
C. Venting the hose
D. Testing the gauge


5. A device that prevents the reverse flow of gases that could cause a
combustible mixture is a:
A. Check valve
B. Flashback arrestor
C. Regulator
D. Pressure gauge


6. A condition in which the flame burns inside the tip, torch, or hose is known
as:
A. Backfire
B. Flashback
C. Blowback
D. Overburn


7. Acetylene cylinder valves should be opened only 1 to 1.5 turns to:
A. Increase gas flow
B. Provide quick closure in case of emergency
C. Reduce regulator pressure
D. Stabilize the flame


8. Most oxygen and fuel gas regulators have gauges that measure cylinder
pressure and: