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. M
Manipulation of puddle
Increased
Opened slowly
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight

2. GMAW short circuit transfer can be used for...
Ask - water
15 psi
Out of position work - thin gage metal - and good deposition rates
Position

3. To stop Back firing or popping the gas flow through the tip should be...
Not turned in all the way
2200 F
Current
Increased

4. How are dirt particles removed from cutting and welding tips
1245 F
Metal thickness - joint position - joint design
Tip cleaners
10

5. Shielding gas flow rates will vary but a common starting point for short circuit transfer is...
12-15 CFH
Tensile strength
No
Angle of elect- rod

6. Class A
Metal thickness - joint position - joint design
Not turned in all the way
Speed of travel
Ask - water

7. L
Length of arc
1640 F
Oxygen
Drag

8. Fine tuning amperage will depend upon
The valve from breaking off
Electrical - secure power and CO2
Metal thickness - joint position - joint design
Position

9. Class D
10
No
2200 F
Metal - get outside

10. The main purpose for a shielding gas cylinder cap is to protect
The valve from breaking off
1640 F
Metal thickness - joint position - joint design
12-15 CFH

11. Class C
Oxidizing
Opened slowly
2800 F
Electrical - secure power and CO2

12. What type of polarity is best for welding out of position
10
Current
Opened slowly
DCT

13. Undercut on fillet welds can be a result of...
Electrode extension
Improper work angles - lack of a heat sink - and improper parameters
Oil - Dry Chemical
No

14. S
Oxygen
Copper
Out of position work - thin gage metal - and good deposition rates
Speed of travel

15. Melting temperature of Brass
Cover your eyes
Speed of travel
1640 F
Short circuit transfer

16. Welding current is transmitted to the GMAW wire through the...
Increased
Drag
Contact tube
12-15 CFH

17. Melting temperature of Grey Cast Iron
Speed of travel
Electrode extension
2800 F
10

18. What should we do when the word cover is spoken
Metal - get outside
The valve from breaking off
Cover your eyes
Position

19. Melting temperature of Solder
Not turned in all the way
2800 F
420 F
Oil - Dry Chemical

20. Acetylene not contained in suitable cylinder is not safe above
10
Metal thickness - joint position - joint design
Metal - get outside
15 psi

21. The main tool used to control the height and width of the weld bead is...
Current
Metal - get outside
The valve from breaking off
Electrode extension

22. C
Position
Short circuit transfer
15 psi
Current

23. A
Angle of elect- rod
DCT
10
Tensile strength

24. What shade of lens should you use for stick welding
No
10
Electrode extension
Type of flux/polarity

25. The Hottest oxy- acetylene flame
Copper
Angle of elect- rod
Oxidizing
Oil - Dry Chemical

26. When not in user the regulater adjusting screw should be...
Not turned in all the way
Contact tube
Out of position work - thin gage metal - and good deposition rates
2200 F

27. The deepest penetration is a result of which gun technique
Drag
Copper
Electrode extension
None of the above

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

29. What comes out the center of the hole in a cutting tip
Contact tube
Metal - get outside
Oxygen
10

30. Can you weld vertical up with 7024
No
10
Electrode extension
420 F

31. For short circuit transfer the contact tube should be...
Opened slowly
Tip cleaners
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Copper

32. 1
Length of arc
Copper
1245 F
Type of flux/polarity

33. Full tank pressure for an acetylene cylinder is...
250 psi
Ask - water
15 psi
Contact tube

34. 1
Out of position work - thin gage metal - and good deposition rates
Contact tube
Position
Tip cleaners

35. Class B
Oil - Dry Chemical
Ask - water
Out of position work - thin gage metal - and good deposition rates
Improper work angles - lack of a heat sink - and improper parameters

36. Which metal cant be safely used in the presences of acetylene
Improper work angles - lack of a heat sink - and improper parameters
Cover your eyes
420 F
Copper

37. Duty cycle of a welding machine is based on the...
Oil - Dry Chemical
Electrode extension
Tip cleaners
None of the above

38. Welding in the flat position on thin material is generally welded with the...
Out of position work - thin gage metal - and good deposition rates
250 psi
The valve from breaking off
Short circuit transfer

39. Melting temperature of Aluminum
Metal thickness - joint position - joint design
Out of position work - thin gage metal - and good deposition rates
1245 F
Opened slowly

40. Cutting and welding tip are made of...
Metal thickness - joint position - joint design
Copper
Angle of elect- rod
2800 F

41. 60
Copper
Electrical - secure power and CO2
Tensile strength
10

42. An oxygen cylinder valve should be...
Angle of elect- rod
DCT
Opened slowly
Oxidizing