Review Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is “Stick” welding?

A

SMAW

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2
Q

What is considered manual welding?

A

SMAW

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3
Q

What is “MIG” or MAG” or Solid Wire welding?

A

GMAW

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4
Q

It is a semi-automatic process with four modes of transfer.

A

GMAW

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5
Q

What are the 4 modes of transfer in GMAW?

A

Short-circuit (GMAW-S), Spray, Pulsed Spray (GMAW-P), Globular

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6
Q

What has both gas shield, and self shield?

A

FCAW, (FCAW-G Dual shield) (FCAW-S Innershield)

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7
Q

What is TIG or Heliarc?

A

GTAW

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8
Q

What has a nonconsumable tungsten electrode?

A

GTAW

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9
Q

What is also known as sub-arc? Shielded by granular flux.

A

SAW

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10
Q

A part of the electrical circuit.

A

Electrode

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11
Q

Metallic wire used to fill the gap between the base metals to be joined. It need not be a part of the electrical circuit.

A

Filler Metal

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12
Q

A colloquial name of electrodes/filler metal, used in SMAW process.

A

Welding Rod

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13
Q

A continuously fed tubular electrode. Which method?

A

FCAW

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14
Q

Welds are either _____ or _____, not good or bad.

A

acceptable or rejectable

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15
Q

An interruption in the typical structure of a weldment.

A

Discontinuity

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16
Q

A discontinuity that fails to meet the minimum acceptance level stated in a code or specification.

A

defect

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17
Q

The melting together of filler metal and base metal, or of base metal only, which results in coalescence.

A

Fusion

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18
Q

Fusion which is less than complete.

A

Incomplete fusion

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19
Q

the minimum depth a groove or flange weld extended from its face into a joint exclusive of reinforcement.

A

penetration

20
Q

penetration which is less than specified.

A

incomplete penetration

21
Q

weld metal in excess of the quantity required to fill a joint.

A

reinforcement

22
Q

solid material trapped in the weld metal or between weld metal and base metl

A

inclusions

23
Q

A void or cavity formed by gas entrapment during weld solidification

A

porosity

24
Q

fracture type discontinuity with a sharp tip and high length-to-width ratio

A

cracks

25
Q

The protrusion of weld metal beyond the toe, face, or root of a weld, without fusion.

A

overlap

26
Q

A groove melted into the base metal adjacent to the toe or root of a weld and left unfilled by weld metal

A

undercut

27
Q

a depression on the face or root surface of a weld extending below the surface of adjacent base metal

A

underfill

28
Q

metal particles expelled during welding, which do not form a part of the weld

A

spatter

29
Q

a discontinuity consisting of any localized re-melted metal or change in the surface profile of any part of a weld or base metal resulting from an arc.

A

arc strike

30
Q

A document providing the required welding variables for a specific application to assure repeat-ability by properly trained welders and welding operators.

A

welding procedure specification (WPS)

31
Q

to qualify a WPS a ______ weld is done.

A

sample

32
Q

A record of welding variables used to produce an acceptable test weldment and the results of test conducted on the weldment to qualify a welding procedure specification.

A

Welding procedure qualification record (PQR)

33
Q

the PQR is ____ that your WPS produces an acceptable weld.

A

proof

34
Q

a variable of the welding process that is deemed as important enough by a code committee to require proving. these variables of welding procedure must not change during production welding.

A

essential variable

35
Q

The leg length of the largest isosceles triangle that can be inscribed within the fillet weld cross section is the size of the ______ weld.

A

fillet

36
Q

What are the 2 types of fillet welds?

A

concave and convex

37
Q

Filled welds can be measured by using a ____ set.

A

guage

38
Q

___ welds are designed based on their cross-sectional area, which is calculated by the throat times the length.

A

fillet

39
Q

_____ is measured from the surface of the base metal to the deepest point of the ____.

A

undercut.

40
Q

_______ is measured from the top of the base metal to the top of the face of the weld.

A

face reinforcement

41
Q

a magnetic flux is produced at _____ angles to the flow of current.

A

right

42
Q

Fillet welds and partial joint penetration (PJP) groove welds joining primary components of main members shall be tested using _____.

A

MT

43
Q

Complete joint penetration (CJP) groove welds in butt joints subjected to calculated tension or reversl of stress shall be tested by ____.

A

RT

44
Q

CJP groove welds in T-joints and corner joints shall be tested by ____>

A

UT

45
Q

When required by contract, CJP groove welds in compression or shear may be tested by either ____ or ___.

A

RT or UT

46
Q

it is considered _____ when the reentrant angle (the angle at which the weld face meets the base metal at the weld toe) is greater than 90 degrees.

A

overlap