Review

Question 1

What is “Stick” welding?

Answer 1

SMAW

Question 2

What is considered manual welding?

Answer 2

SMAW

Question 3

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

Answer 3

GMAW

Question 4

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

Answer 4

GMAW

Question 5

What are the 4 modes of transfer in GMAW?

Answer 5

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

Question 6

What has both gas shield, and self shield?

Answer 6

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

Question 7

What is TIG or Heliarc?

Answer 7

GTAW

Question 8

What has a nonconsumable tungsten electrode?

Answer 8

GTAW

Question 9

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

Answer 9

SAW

Question 10

A part of the electrical circuit.

Answer 10

Electrode

Question 11

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

Answer 11

Filler Metal

Question 12

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

Answer 12

Welding Rod

Question 13

A continuously fed tubular electrode. Which method?

Answer 13

FCAW

Question 14

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

Answer 14

acceptable or rejectable

Question 15

An interruption in the typical structure of a weldment.

Answer 15

Discontinuity

Question 16

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

Answer 16

defect

Question 17

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

Answer 17

Fusion

Question 18

Fusion which is less than complete.

Answer 18

Incomplete fusion

Question 19

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

Answer 19

penetration

Question 20

penetration which is less than specified.

Answer 20

incomplete penetration

Question 21

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

Answer 21

reinforcement

Question 22

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

Answer 22

inclusions

Question 23

A void or cavity formed by gas entrapment during weld solidification

Answer 23

porosity

Question 24

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

Answer 24

cracks

Question 25

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

Answer 25

overlap

Question 26

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

Answer 26

undercut

Question 27

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

Answer 27

underfill

Question 28

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

Answer 28

spatter

Question 29

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.

Answer 29

arc strike

Question 30

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

Answer 30

welding procedure specification (WPS)

Question 31

to qualify a WPS a ______ weld is done.

Answer 31

sample

Question 32

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.

Answer 32

Welding procedure qualification record (PQR)

Question 33

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

Answer 33

proof

Question 34

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.

Answer 34

essential variable

Question 35

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

Answer 35

fillet

Question 36

What are the 2 types of fillet welds?

Answer 36

concave and convex

Question 37

Filled welds can be measured by using a ____ set.

Answer 37

guage

Question 38

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

Answer 38

fillet

Question 39

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

Answer 39

undercut.

Question 40

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

Answer 40

face reinforcement

Question 41

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

Answer 41

right

Question 42

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

Answer 42

MT

Question 43

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

Answer 43

RT

Question 44

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

Answer 44

UT

Question 45

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

Answer 45

RT or UT

Question 46

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.

Answer 46

overlap