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Test your basic knowledge |
Welding Vocab 2
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 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. 70% of the heat is concentrated in the workpiece; 30% of the heat is concentrated in the tungsten electrode; Deep penetration; Narrow weld area; welding other materials than aluminum or magnesium
DOT
pinch points
DCEN
discontinuity
2. American National Standards Institute; the governing body for standards in the U.S.
ANSI
pinch points
filler metal
porosity
3. 30% of the heat is concentrated in the workpiece; 70% of the heat in concentrated in the tungsten electrode; Shallow penetration; Wide weld area; used only for welding thin sheet metal where low current is sufficient.
incomplete joint penetration
DCEP
DOT
position
4. Threshold Limit Value (TLV) of a chemical substance is a level to which it is believed a worker can be exposed day after day for a working lifetime without adverse health effects.
lock - tag and try
TLV
psi
AWS
5. A low- carbon steel containing sufficient iron oxide to give a continuous evolution of carbon monoxide while the ingot is solidifying - resulting in a case or rim of metal virtually free of voids. Sheet and strip products made from rimmed steel ingot
rimmed steel
arc length
carburizing
pinch points
6. Air conditioning; alternating current
alphanumeric
incomplete fusion
ac
lock - tag and try
7. A permit system for Hot Work is required by the State Fire Prevention Code and OSHA
flammable
faying surface
hot work permit
alloy
8. Of or relating to sytems made up of combination of letters and numbers
nonferrous
asphyxiation
alphanumeric
shielding
9. Lack of connection of continuity
solid solution
orifice
capillary action
discontinuity
10. The strength of material expressed as the greatest longitudinal stress it can bear without tearing apart
lock - tag and try
tensile strength
ANSI 287.1
porosity
11. An affix that is added at the end of the word
coalescence
porosity
suffix
filler metal
12. Shield consisting of an arrangement of metal mesh or plates designed to protect electronic equipment from ambient electromagnetic interference
ac
faying surface
incomplete fusion
shielding
13. (physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors
plasma
fume plume
DOT
undercut
14. Cut away material from the underside of (an object) so as to leave an overhanging portion in relief
undercut
carbon steel
shielding
filler metal
15. Steel whose characteristics are determined by the amount of carbon it contains
combustibles
carbon steel
kerf
hot work permit
16. Department of Transportation
NEMA
DCEP
DOT
suffix
17. The basic unit of electric current adopted under the Systeme International d'Unites
ampere
ferrous
solid solution
nonferrous
18. The distance from which the electrode is from the base metal while you're welding.
low alloy steel
NEMA
shielding
arc length
19. The union of diverse things into one body or form or group
orifice
coalescence
capillary action
ACGIH
20. Of or relating to or containing iron
psi
ferrous
discontinuity
nonferrous
21. A phenomenon associated with surface tension and resulting in the elevation or depression of liquids in capillaries
capillary action
DC
inert gas
nonferrous
22. Compliance for Safety Glasses
ferrous
ANSI 287.1
coalescence
TLV
23. A cloud- like area where welding fume collects
fume plume
MSDS
lock - tag and try
undercut
24. Procedure To prevent the accidental release of energy to equipment being cleaned -
discontinuity
ampere
orifice
lock - tag and try
25. The difference in electrical charge between two points in a circuit expressed in volts
filler metal
voltage
ACGIH
ac
26. In constant change
faying surface
DCEP
shielding
flux
27. A conductor used to make electrical contact with some part of a circuit
carbon steel
carburizing
electrode
toxic
28. Fastening firmly together
inert gas
soldering
DOT
undercut
29. A metal joint formed by softening with heat and fusing or hammering together
prefix
toxic
ANSI
weld
30. An affix that added in front of the word
nonferrous
weld
voltage
prefix
31. The act of splashing a (liquid) substance on a surface
spatter
filler metal
ACGIH
suffix
32. Planar weld discontinuity in which fusion does not occur between the weld metal and base metal or between adjoining weld beads
alloy
incomplete fusion
ferrous
brazing
33. A government agency in the Department of Labor to maintain a safe and healthy work environment
OSHA
shielding
alphanumeric
suffix
34. Cut - notch or groove; quantity of something cut at the same time
NEMA
toxic
ANSI 287.1
kerf
35. To cause to die or lose consciousness by impairing normal breathing - as by gas or other noxious agents; choke; suffocate; smother.
asphyxiation
porosity
flammable
alphanumeric
36. National Electrical Manufaturers Association
NEMA
brazing
discontinuity
solid solution
37. These are areas where your hands can become trapped or mashed between two objects
OSHA
ANSI 287.1
lock - tag and try
pinch points
38. A vehicle used to haul goods ; especially : a strong cart or wagon without sides
dray
cryogenic
incomplete fusion
tensile strength
39. American Welding Society
AWS
suffix
vapors
weld
40. Possible to burn
soldering
electrode
flammable
shielding
41. A set of rules or principles or laws (especially written ones)
nonferrous
shielding
suffix
code
42. An aperture or hole opening into a bodily cavity
ANSI 287.1
orifice
coalescence
carburizing
43. Containing little or no iron
ANSI 287.1
nonferrous
DCEP
ANSI
44. The American Conference of Governmental Industrial Hygienists (ACGIH); develops TLVs and BEIs as guidelines to assist in the control of health hazards
discontinuity
ACGIH
shielding
inert gas
45. Discontinuity in a groove weld in which the weld metal doesn't extend through the joint thickness.
flux
TLV
ksi
incomplete joint penetration
46. Used to achieve better hardenability - which in turn improves its other mechanical properties. They are also used to increase corrosion resistance in certain environmental conditions. Difficult to weld.
asphyxiation
porosity
ac
low alloy steel
47. Visible particles of matter suspended in the air - such as mist or smoke
alloy
carbon steel
vapors
ACGIH
48. PSI (pounds per square inch ) a unit of pressure equal to 6.895 x 10 Pa or 51.71 torr
psi
vapors
prefix
ACGIH
49. A mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
OSHA
TLV
alloy
MSDS
50. A homogeneous solid that can exist over a range of component chemicals
cryogenic
solid solution
electrode
coalescence