Test your basic knowledge |

Welding

Instructions:

Answer 42 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Welding in the flat position on thin material is generally welded with the...
Short circuit transfer
The valve from breaking off
Electrical - secure power and CO2
2200 F

2. How are dirt particles removed from cutting and welding tips
Tip cleaners
15 psi
1640 F
Electrode extension

3. The main purpose for a shielding gas cylinder cap is to protect
420 F
The valve from breaking off
15 psi
Electrode extension

4. C
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Contact tube
Current
Length of arc

5. Fine tuning amperage will depend upon
Metal thickness - joint position - joint design
Current
Type of flux/polarity
420 F

6. GMAW short circuit transfer can be used for...
420 F
Tip cleaners
Out of position work - thin gage metal - and good deposition rates
Position

7. To stop Back firing or popping the gas flow through the tip should be...
Oxygen
Tensile strength
Increased
Angle of elect- rod

8. S
Speed of travel
Tip cleaners
Electrical - secure power and CO2
15 psi

9. For short circuit transfer the contact tube should be...
2800 F
Drag
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
12-15 CFH

10. The Hottest oxy- acetylene flame
Short circuit transfer
None of the above
12-15 CFH
Oxidizing

11. Melting temperature of Grey Cast Iron
2800 F
1245 F
420 F
Manipulation of puddle

12. What should we do when the word cover is spoken
Copper
Length of arc
Cover your eyes
10

13. 60
Oxidizing
Improper work angles - lack of a heat sink - and improper parameters
Length of arc
Tensile strength

14. M
The valve from breaking off
Manipulation of puddle
None of the above
Not turned in all the way

15. The deepest penetration is a result of which gun technique
12-15 CFH
Current
Drag
Angle of elect- rod

16. Cutting and welding tip are made of...
Electrode extension
Cover your eyes
Copper
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight

17. Duty cycle of a welding machine is based on the...
Opened slowly
None of the above
420 F
12-15 CFH

18. Melting temperature of Steel
2200 F
250 psi
Out of position work - thin gage metal - and good deposition rates
Oxidizing

19. What type of polarity is best for welding out of position
Length of arc
Manipulation of puddle
DCT
1245 F

20. Melting temperature of Brass
Tensile strength
1640 F
Tip cleaners
Increased

21. Class D
12-15 CFH
Metal - get outside
Not turned in all the way
15 psi

22. Melting temperature of Aluminum
1245 F
DCT
Current
Position

23. The main tool used to control the height and width of the weld bead is...
10
Electrode extension
DCT
Out of position work - thin gage metal - and good deposition rates

24. Class C
Electrical - secure power and CO2
Copper
Oxidizing
Electrode extension

25. 1
Contact tube
420 F
Manipulation of puddle
Position

26. What shade of lens should you use for stick welding
10
The valve from breaking off
Not turned in all the way
1245 F

27. Full tank pressure for an acetylene cylinder is...
Short circuit transfer
Current
250 psi
Electrical - secure power and CO2

28. What comes out the center of the hole in a cutting tip
Opened slowly
Copper
Oxygen
Metal - get outside

29. Class B
Length of arc
Oil - Dry Chemical
Electrode extension
Manipulation of puddle

30. When not in user the regulater adjusting screw should be...
Copper
Cover your eyes
The valve from breaking off
Not turned in all the way

31. Acetylene not contained in suitable cylinder is not safe above
DCT
Position
15 psi
The valve from breaking off

32. Can you weld vertical up with 7024
No
1640 F
Improper work angles - lack of a heat sink - and improper parameters
10

33. Which metal cant be safely used in the presences of acetylene
Out of position work - thin gage metal - and good deposition rates
Position
Copper
Oxygen

34. Undercut on fillet welds can be a result of...
Metal thickness - joint position - joint design
Improper work angles - lack of a heat sink - and improper parameters
Oxidizing
Drag

35. L
Opened slowly
15 psi
Electrical - secure power and CO2
Length of arc

36. Class A
Contact tube
Ask - water
None of the above
Cover your eyes

37. A
Out of position work - thin gage metal - and good deposition rates
Metal - get outside
Angle of elect- rod
Improper work angles - lack of a heat sink - and improper parameters

38. 1
Type of flux/polarity
420 F
DCT
The valve from breaking off

39. Melting temperature of Solder
Ask - water
15 psi
420 F
Electrical - secure power and CO2

40. An oxygen cylinder valve should be...
Speed of travel
Copper
1245 F
Opened slowly

41. Welding current is transmitted to the GMAW wire through the...
Contact tube
Short circuit transfer
Manipulation of puddle
1245 F

42. Shielding gas flow rates will vary but a common starting point for short circuit transfer is...
12-15 CFH
Increased
Angle of elect- rod
10