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. What shade of lens should you use for stick welding
10
250 psi
2200 F
Tip cleaners

2. Can you weld vertical up with 7024
Length of arc
No
The valve from breaking off
Oxygen

3. Shielding gas flow rates will vary but a common starting point for short circuit transfer is...
Increased
Tensile strength
12-15 CFH
Current

4. A
Metal thickness - joint position - joint design
250 psi
1245 F
Angle of elect- rod

5. Cutting and welding tip are made of...
250 psi
Copper
Oil - Dry Chemical
Contact tube

6. Full tank pressure for an acetylene cylinder is...
250 psi
2800 F
DCT
Oxidizing

7. Duty cycle of a welding machine is based on the...
2200 F
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
None of the above
15 psi

8. The deepest penetration is a result of which gun technique
Oxidizing
Cover your eyes
Out of position work - thin gage metal - and good deposition rates
Drag

9. When not in user the regulater adjusting screw should be...
1640 F
Not turned in all the way
None of the above
Oil - Dry Chemical

10. What should we do when the word cover is spoken
Tensile strength
Copper
Cover your eyes
Improper work angles - lack of a heat sink - and improper parameters

11. Fine tuning amperage will depend upon
Metal thickness - joint position - joint design
250 psi
Drag
Ask - water

12. Welding in the flat position on thin material is generally welded with the...
The valve from breaking off
Short circuit transfer
10
Manipulation of puddle

13. Melting temperature of Steel
2200 F
Contact tube
Electrical - secure power and CO2
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight

14. 1
Type of flux/polarity
Improper work angles - lack of a heat sink - and improper parameters
1640 F
420 F

15. The main tool used to control the height and width of the weld bead is...
1245 F
Ask - water
Electrode extension
Increased

16. 1
Position
Length of arc
10
1640 F

17. What type of polarity is best for welding out of position
Contact tube
Opened slowly
DCT
Copper

18. GMAW short circuit transfer can be used for...
2800 F
Speed of travel
Out of position work - thin gage metal - and good deposition rates
Improper work angles - lack of a heat sink - and improper parameters

19. Undercut on fillet welds can be a result of...
420 F
Improper work angles - lack of a heat sink - and improper parameters
Oxidizing
2800 F

20. For short circuit transfer the contact tube should be...
1245 F
Tensile strength
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
No

21. Class A
Not turned in all the way
1640 F
Short circuit transfer
Ask - water

22. The Hottest oxy- acetylene flame
Oxidizing
Drag
Speed of travel
DCT

23. An oxygen cylinder valve should be...
Drag
Current
Opened slowly
Contact tube

24. Melting temperature of Solder
Not turned in all the way
Tip cleaners
420 F
Current

25. Acetylene not contained in suitable cylinder is not safe above
Oil - Dry Chemical
10
Electrode extension
15 psi

26. L
Copper
Length of arc
Position
420 F

27. Class C
No
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
15 psi
Electrical - secure power and CO2

28. Which metal cant be safely used in the presences of acetylene
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Ask - water
The valve from breaking off
Copper

29. C
Current
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Length of arc
Type of flux/polarity

30. S
420 F
Cover your eyes
1245 F
Speed of travel

31. Melting temperature of Aluminum
Copper
Position
No
1245 F

32. Class B
Oil - Dry Chemical
2200 F
Electrical - secure power and CO2
1245 F

33. What comes out the center of the hole in a cutting tip
Oxygen
Oil - Dry Chemical
Opened slowly
10

34. Melting temperature of Brass
Contact tube
1640 F
Electrode extension
Cover your eyes

35. To stop Back firing or popping the gas flow through the tip should be...
None of the above
1245 F
DCT
Increased

36. M
Short circuit transfer
1640 F
2200 F
Manipulation of puddle

37. Class D
Opened slowly
Length of arc
Out of position work - thin gage metal - and good deposition rates
Metal - get outside

38. How are dirt particles removed from cutting and welding tips
Tip cleaners
Increased
Not turned in all the way
Contact tube

39. Melting temperature of Grey Cast Iron
2800 F
Metal thickness - joint position - joint design
Type of flux/polarity
Electrode extension

40. 60
Tensile strength
Increased
Metal thickness - joint position - joint design
None of the above

41. The main purpose for a shielding gas cylinder cap is to protect
Metal - get outside
The valve from breaking off
15 psi
Ask - water

42. Welding current is transmitted to the GMAW wire through the...
Increased
Contact tube
420 F
Tensile strength