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. Duty cycle of a welding machine is based on the...
420 F
250 psi
Electrical - secure power and CO2
None of the above

2. Can you weld vertical up with 7024
No
Out of position work - thin gage metal - and good deposition rates
250 psi
2200 F

3. Melting temperature of Steel
2800 F
Metal thickness - joint position - joint design
2200 F
Tip cleaners

4. What shade of lens should you use for stick welding
10
Improper work angles - lack of a heat sink - and improper parameters
Current
Oxygen

5. How are dirt particles removed from cutting and welding tips
No
Tip cleaners
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Electrical - secure power and CO2

6. Class B
Position
Oil - Dry Chemical
Current
Short circuit transfer

7. Full tank pressure for an acetylene cylinder is...
Position
1245 F
250 psi
Copper

8. The Hottest oxy- acetylene flame
Oxygen
Not turned in all the way
Oxidizing
250 psi

9. 60
Tensile strength
Increased
Metal thickness - joint position - joint design
Length of arc

10. S
Oil - Dry Chemical
Out of position work - thin gage metal - and good deposition rates
420 F
Speed of travel

11. What type of polarity is best for welding out of position
Improper work angles - lack of a heat sink - and improper parameters
DCT
Opened slowly
12-15 CFH

12. Melting temperature of Brass
Oil - Dry Chemical
1640 F
2800 F
Not turned in all the way

13. What should we do when the word cover is spoken
Cover your eyes
Tensile strength
Current
2200 F

14. An oxygen cylinder valve should be...
Speed of travel
Oxidizing
Contact tube
Opened slowly

15. Fine tuning amperage will depend upon
Copper
250 psi
Metal thickness - joint position - joint design
Not turned in all the way

16. Which metal cant be safely used in the presences of acetylene
Short circuit transfer
Speed of travel
Increased
Copper

17. The deepest penetration is a result of which gun technique
None of the above
Electrical - secure power and CO2
Drag
Tensile strength

18. For short circuit transfer the contact tube should be...
Copper
Not turned in all the way
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Position

19. What comes out the center of the hole in a cutting tip
Opened slowly
Tensile strength
2800 F
Oxygen

20. A
Improper work angles - lack of a heat sink - and improper parameters
Cover your eyes
Metal thickness - joint position - joint design
Angle of elect- rod

21. Welding current is transmitted to the GMAW wire through the...
Increased
Oxidizing
Contact tube
No

22. Melting temperature of Aluminum
Short circuit transfer
1245 F
1640 F
10

23. Cutting and welding tip are made of...
Copper
Increased
The valve from breaking off
12-15 CFH

24. The main purpose for a shielding gas cylinder cap is to protect
Copper
Improper work angles - lack of a heat sink - and improper parameters
The valve from breaking off
Drag

25. Welding in the flat position on thin material is generally welded with the...
Copper
2800 F
Short circuit transfer
420 F

26. 1
Electrical - secure power and CO2
420 F
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Position

27. Melting temperature of Solder
420 F
Improper work angles - lack of a heat sink - and improper parameters
Out of position work - thin gage metal - and good deposition rates
Short circuit transfer

28. The main tool used to control the height and width of the weld bead is...
Electrode extension
12-15 CFH
None of the above
Length of arc

29. Melting temperature of Grey Cast Iron
2800 F
None of the above
Position
Copper

30. GMAW short circuit transfer can be used for...
Short circuit transfer
Oxidizing
Out of position work - thin gage metal - and good deposition rates
Cover your eyes

31. C
Current
Drag
Out of position work - thin gage metal - and good deposition rates
Improper work angles - lack of a heat sink - and improper parameters

32. To stop Back firing or popping the gas flow through the tip should be...
Oxidizing
Improper work angles - lack of a heat sink - and improper parameters
Increased
Cover your eyes

33. Class A
Opened slowly
Copper
Manipulation of puddle
Ask - water

34. M
Improper work angles - lack of a heat sink - and improper parameters
Manipulation of puddle
The valve from breaking off
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight

35. Acetylene not contained in suitable cylinder is not safe above
Improper work angles - lack of a heat sink - and improper parameters
15 psi
None of the above
DCT

36. 1
Electrode extension
No
Opened slowly
Type of flux/polarity

37. Shielding gas flow rates will vary but a common starting point for short circuit transfer is...
12-15 CFH
Short circuit transfer
2200 F
Tip cleaners

38. Class D
1640 F
Contact tube
Metal - get outside
Current

39. When not in user the regulater adjusting screw should be...
420 F
Manipulation of puddle
Oil - Dry Chemical
Not turned in all the way

40. L
1640 F
Manipulation of puddle
Length of arc
Not turned in all the way

41. Class C
None of the above
250 psi
Type of flux/polarity
Electrical - secure power and CO2

42. Undercut on fillet welds can be a result of...
Oxidizing
Improper work angles - lack of a heat sink - and improper parameters
Manipulation of puddle
DCT