Welding - Test 1


1. When cutting with oxyfuels use a _______ flame?
A. Open
B. Orange
C. Neutral
D. Blue


2. Which of the following material is NOT used in alloy steels?
A. Molybdenum
B. Nickel
C. Chromium
D. Sodium


3. The depth to which the filler material is mixed up with base metal is called?
A. Deposition
B. Reinforcement
C. Penetration
D. Fusion depth


4. What is another name for stick welding?
A. Gas metal arc welding
B. Tungsten inert gas welding
C. Shielded metal arc welding
D. Flux core arc welding


5. Which gas is used for the removal of oxygen layer formed on molten iron?
A. Hydrogen
B. Oxygen
C. Carbon dioxide
D. Chlorine


6. Which of the following methods cannot be used for welding carbon steel?
A. Arc welding
B. Gas welding
C. Ultrasonic welding
D. Forge welding


7. What tool do you use to check the size of a weld nugget?
A. Bevel Square
B. Metric Ruler
C. Unequal Arm Balance
D. Vernier Calipers


8. Small marks that are left on the metal while trying to start the weld?
A. Incomplete fusion
B. Ark strikes
C. Overlap
D. Undercut


9. Which of the following can be easily welded using the flash butt welding process?
A. Tin
B. Lead
C. Cast irons
D. Carbon steel


10. Which gas is used for the removal of oxygen layer formed on molten iron?
A. Hydrogen
B. Oxygen
C. Carbon dioxide
D. Chlorine






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