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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. Department of Transportation
weld
DOT
inert gas
kerf
2. 'kilo- pound[- force] per square inch') is 1000 psi
combustibles
flammable
ksi
DOT
3. A phenomenon associated with surface tension and resulting in the elevation or depression of liquids in capillaries
pinch points
incomplete fusion
capillary action
arc blow
4. Materials or liquids that catch fire easily
vapors
NEMA
soldering
combustibles
5. (physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors
alphanumeric
plasma
DC
vapors
6. A widely used abbreviation for Material Safety Data Sheet. A MSDS contains details of the hazards associated with a chemical - and gives information on its safe use.
DCEP
weld
alloy
MSDS
7. 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
TLV
tensile strength
flux
rimmed steel
8. American Welding Society
capillary action
tensile strength
NEMA
AWS
9. The union of diverse things into one body or form or group
discontinuity
alphanumeric
coalescence
filler metal
10. A set of rules or principles or laws (especially written ones)
soldering
dray
code
DCEN
11. A movement forward
alphanumeric
lock - tag and try
flux
progression
12. American National Standards Institute; the governing body for standards in the U.S.
rimmed steel
ACGIH
ANSI
position
13. The strength of material expressed as the greatest longitudinal stress it can bear without tearing apart
hot work permit
dray
tensile strength
voltage
14. An affix that added in front of the word
TLV
prefix
toxic
nonferrous
15. 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
code
flammable
brazing
DCEN
16. PSI (pounds per square inch ) a unit of pressure equal to 6.895 x 10 Pa or 51.71 torr
psi
soldering
toxic
orifice
17. 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.
electrode
progression
NEMA
DCEP
18. A homogeneous solid that can exist over a range of component chemicals
ACGIH
discontinuity
solid solution
arc blow
19. 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.
incomplete fusion
shielding
DCEP
low alloy steel
20. Of or relating to or containing iron
faying surface
ferrous
solid solution
electrode
21. Of or relating to sytems made up of combination of letters and numbers
arc blow
alphanumeric
plasma
DCEN
22. National Electrical Manufaturers Association
psi
NEMA
alphanumeric
cryogenic
23. Fastening firmly together
ferrous
soldering
prefix
pinch points
24. Lack of connection of continuity
discontinuity
orifice
incomplete fusion
soldering
25. Direct Current
spatter
DC
psi
alloy
26. Procedure To prevent the accidental release of energy to equipment being cleaned -
ksi
AWS
alphanumeric
lock - tag and try
27. The difference in electrical charge between two points in a circuit expressed in volts
voltage
brazing
lock - tag and try
psi
28. Air conditioning; alternating current
rimmed steel
ac
ANSI 287.1
dray
29. A condition that occurs when the arc does not follow its intended path from the electrode to the workpiece. Arc blow can cause undesirable weld beads.
arc blow
shielding
incomplete joint penetration
prefix
30. To solder (two pieces of metal) together using a hard solder with a high melting point.
electrode
DCEN
combustibles
brazing
31. The surface of a material in contact with another to which it is or will be joined
prefix
cryogenic
arc length
faying surface
32. The basic unit of electric current adopted under the Systeme International d'Unites
ampere
code
prefix
pinch points
33. Containing little or no iron
carbon steel
flammable
suffix
nonferrous
34. A cloud- like area where welding fume collects
OSHA
lock - tag and try
fume plume
combustibles
35. An aperture or hole opening into a bodily cavity
faying surface
orifice
NEMA
alphanumeric
36. Of or relating to very low temperatures
discontinuity
alloy
cryogenic
progression
37. Possible to burn
arc blow
flammable
progression
flux
38. In constant change
incomplete fusion
flux
OSHA
inert gas
39. Planar weld discontinuity in which fusion does not occur between the weld metal and base metal or between adjoining weld beads
ANSI 287.1
incomplete fusion
weld
DC
40. These are areas where your hands can become trapped or mashed between two objects
fume plume
pinch points
rimmed steel
solid solution
41. The act of splashing a (liquid) substance on a surface
orifice
plasma
OSHA
spatter
42. A permit system for Hot Work is required by the State Fire Prevention Code and OSHA
alloy
hot work permit
orifice
ANSI 287.1
43. A metal added in the making of a joint through welding - brazing - or soldering.
filler metal
arc blow
cryogenic
ksi
44. A mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
incomplete fusion
DCEP
psi
alloy
45. The American Conference of Governmental Industrial Hygienists (ACGIH); develops TLVs and BEIs as guidelines to assist in the control of health hazards
ac
cryogenic
ACGIH
NEMA
46. 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.
suffix
ampere
ANSI 287.1
TLV
47. Any of the chemically inert gaseous elements of the helium group in the periodic table
inert gas
psi
low alloy steel
ANSI
48. Cut - notch or groove; quantity of something cut at the same time
weld
code
flammable
kerf
49. A metal joint formed by softening with heat and fusing or hammering together
weld
hot work permit
discontinuity
inert gas
50. Put into a certain place or abstract location
carburizing
coalescence
position
capillary action