SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Welding
Start Test
Study First
Subject
:
engineering
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. Melting temperature of Solder
420 F
Oxidizing
250 psi
Electrical - secure power and CO2
2. Fine tuning amperage will depend upon
Metal thickness - joint position - joint design
2200 F
Improper work angles - lack of a heat sink - and improper parameters
Electrical - secure power and CO2
3. Cutting and welding tip are made of...
Increased
None of the above
Copper
Electrical - secure power and CO2
4. 1
Copper
2200 F
Position
Copper
5. Melting temperature of Steel
Type of flux/polarity
2200 F
Increased
No
6. Welding in the flat position on thin material is generally welded with the...
Short circuit transfer
15 psi
Electrical - secure power and CO2
Tip cleaners
7. Class D
250 psi
None of the above
Metal - get outside
Increased
8. An oxygen cylinder valve should be...
Opened slowly
Contact tube
Electrical - secure power and CO2
250 psi
9. When not in user the regulater adjusting screw should be...
Electrode extension
Not turned in all the way
420 F
15 psi
10. Undercut on fillet welds can be a result of...
Metal thickness - joint position - joint design
Tip cleaners
Manipulation of puddle
Improper work angles - lack of a heat sink - and improper parameters
11. How are dirt particles removed from cutting and welding tips
1640 F
Cover your eyes
Current
Tip cleaners
12. 60
Tensile strength
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Oxidizing
420 F
13. Welding current is transmitted to the GMAW wire through the...
Improper work angles - lack of a heat sink - and improper parameters
Short circuit transfer
No
Contact tube
14. Class C
Metal - get outside
None of the above
Electrical - secure power and CO2
420 F
15. To stop Back firing or popping the gas flow through the tip should be...
Electrode extension
Length of arc
Contact tube
Increased
16. S
Ask - water
Copper
2800 F
Speed of travel
17. The Hottest oxy- acetylene flame
Improper work angles - lack of a heat sink - and improper parameters
Opened slowly
Oxidizing
Metal thickness - joint position - joint design
18. Acetylene not contained in suitable cylinder is not safe above
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
15 psi
Improper work angles - lack of a heat sink - and improper parameters
250 psi
19. The main purpose for a shielding gas cylinder cap is to protect
DCT
Electrical - secure power and CO2
The valve from breaking off
2200 F
20. Melting temperature of Aluminum
Copper
1245 F
Electrical - secure power and CO2
2200 F
21. Can you weld vertical up with 7024
15 psi
Metal - get outside
Tip cleaners
No
22. Class B
Ask - water
Copper
Metal thickness - joint position - joint design
Oil - Dry Chemical
23. Duty cycle of a welding machine is based on the...
Metal thickness - joint position - joint design
No
None of the above
Ask - water
24. The deepest penetration is a result of which gun technique
Out of position work - thin gage metal - and good deposition rates
DCT
Drag
1245 F
25. GMAW short circuit transfer can be used for...
Out of position work - thin gage metal - and good deposition rates
Tip cleaners
2200 F
420 F
26. Which metal cant be safely used in the presences of acetylene
Ask - water
Out of position work - thin gage metal - and good deposition rates
15 psi
Copper
27. A
Short circuit transfer
Angle of elect- rod
250 psi
Electrode extension
28. The main tool used to control the height and width of the weld bead is...
12-15 CFH
Electrode extension
Metal - get outside
Increased
29. Class A
Ask - water
Drag
1245 F
Metal thickness - joint position - joint design
30. Melting temperature of Brass
1245 F
1640 F
Speed of travel
Oxygen
31. 1
1245 F
Cover your eyes
Type of flux/polarity
Drag
32. What shade of lens should you use for stick welding
Contact tube
Out of position work - thin gage metal - and good deposition rates
10
Metal thickness - joint position - joint design
33. C
Current
Speed of travel
Length of arc
Contact tube
34. L
Length of arc
Increased
10
1640 F
35. Full tank pressure for an acetylene cylinder is...
250 psi
420 F
The valve from breaking off
Oxygen
36. For short circuit transfer the contact tube should be...
Ask - water
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
No
Out of position work - thin gage metal - and good deposition rates
37. What should we do when the word cover is spoken
Copper
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
Cover your eyes
None of the above
38. M
250 psi
Metal thickness - joint position - joint design
Speed of travel
Manipulation of puddle
39. Melting temperature of Grey Cast Iron
Oil - Dry Chemical
Tensile strength
1245 F
2800 F
40. What comes out the center of the hole in a cutting tip
Opened slowly
1245 F
Oxygen
1640 F
41. What type of polarity is best for welding out of position
DCT
15 psi
Tip cleaners
Flush with or slightly extending from the nozzle - matched in size to wire diameter - and fastened tight
42. Shielding gas flow rates will vary but a common starting point for short circuit transfer is...
Type of flux/polarity
Metal - get outside
12-15 CFH
Short circuit transfer