Red Seal 2 Flashcards
1
Q
The welding position where welding is performed on the upper side of the joint, and the weld face is approximately horizontal
A
Flat position
2
Q
Depression in the weld face at the termination of a weld bead
A
Crater
3
Q
Groove weld having square edge, joint members with the weld made from both sides
A
Double square groove weld
4
Q
Which type of flame is generally recommended for braze welding?
A
Slightly oxidizing
5
Q
Gas metal arc welding spray transfer requires what ratio of gases
A
98% argon and 2% oxygen
6
Q
When welding aluminum with wire use the what technique
A
pushing
7
Q
What polarity is used for welding aluminum?
A
DCEP
8
Q
A kneeling is a heat treatment process, which leaves the material in what state
A
Softest toughest weakest state
9
Q
When ultraviolet raised from the Welding arc come into contact with chlorinated Hydro carbon degreasers, which poisonous gas is created
A
Phosgene gas
10
Q
When fitting and assembling, how long should tack weld normally be
A
Same length as the thickness of base metal
11
Q
The shielding gas for fluxcore arc Welding is
A
CO2
12
Q
For welding, flux core arc welding, the argon to carbon dioxide ratio is
A
75 to 25
13
Q
The part of a weld that was completely molten at one time during Welding
A
Weld metal
14
Q
Groove weld having joint members grooved in a J shape on one side with the weld made from that side
A
Single J groove weld
15
Q
Shoulder type eye bolts are able to withstand poles at an angle, no greater than
A
45° to the vertical
16
Q
What advantage do inverter power sources offer for the PAC process?
A
Small size and weight
17
Q
Fillet weld having filler metal deposited on one side
A
Single fillet weld
18
Q
Groove weld having one joint member bevelled with the weld made from that side
A
Single bevel groove weld
19
Q
Groove weld having radius joint members with the weld made from both sides
A
Double flare V groove weld
20
Q
Supplementary symbol indicated by a circle at the intersection of the arrow and reference line which specifies that the weld extends completely around the joint
A
Weld all around symbol
21
Q
You bolt part of a cable clip must be installed so that it bears down on the what
A
Dead end of the rope
22
Q
Which gun has no screw
A
Bernard
23
Q
Two guns with threaded tips
A
Tweeko, tregaskis
24
Q
Round hole in a material produced by a twist drill
A
Drill
25
Slow progressive strain that causes metal to fail
Creep
26
Which gun has two set screws to hold liner in place
Tweeko
27
Welding process in which welding occurs from the beat obtained by resistance to the flow of current through the workpiece
Resistance Welding(RW)
28
Gas delivered through a welding gun or torch with the objective of protecting the arc and the weld metal from atmospheric contamination
Shielding gas
29
Depth of a fusion with the base metal
Penetration
30
Distance from the centre of one rivet to the centre of the next rivet in the same row
Rivet pitch
31
i shaped structural steel is what?
Is a beam
32
An arrangement of direct current arc welding leads where the electrode is the positive pole and the work piece is the negative pole of the welding arc
-Heat in the electrode
Direct current electrode positive
DCEP
33
Curved inward type of weld
Concave
34
Generations of a stable voltage, regardless of the amperage output produced by the welding power supply
Constant potential
35
Final weld pass deposition
Cover pass
36
An arrangement of direct current arcwelding leads in which the electrode is the negative pole and the work piece is in the positive pull of the Welding arc
-Heat in work piece
Direct current electronegative
DCEN
37
An electrode that melts and provides metal to fill the joint
Consumable electrode
38
Stress caused by two forces acting in opposite twisting motions
Torsional Stress
39
The voltage between the output terminals of a power source when do current is being drawn from it
Open circuit voltage
40
Nitrogen dioxide and carbon monoxide are only produced close to the arc to prevent inhalation
Wear respirator and proper ventilation
41
ER480S-3
Is used for
Gas metal arc welding
GMAW
42
Rounded interior corner
Fillet
43
Steel with a carbon range of .30% .45% is what?
Medium carbon steel
44
The opposition that conductor offers to the passage of electrical current causing electrical energy to be converted to heat
Resistance
45
The welding position where welding is performed from the underside of the joint(4G)
Overhead position
46
Welding performed by a welder who holds and manipulates the torch, gun or electrode holder and moves the arc weld pool along the weld joint
Manual welding
47
Welding performed with the torture gun held and moved along by a mechanical device with the operator, making occasional adjustments based on visual observation of the weld
Mechanized Welding
48
Single progression of welding along a joint
Weld pass
49
Rivet placed in the shop
Shop rivet
50
The property of matter whereby any physical body persists in it state of rest or uniform motion until acted upon by some external force
Inertia
51
Effect of an external force applied upon a solid material
Stress
52
A filler metal that has been produced as a wire strip or bar with no coding or covering other than that which is incidental to its manufacture or preservation
Bare electrode
53
Pure metal other than iron or metals with iron as a major alloy element
Non-ferrous metal
54
Shape within the deposited bead that is caused by movement of the welding heat source
Ripple
55
The mass or length of electrode melted in a unit of time
Melting rate
56
Application of filler metals, which provide a coding to protect the metal from where caused by impact abrasion, erosion, or from other wear
Hard surfacing
57
Ability of a metal to return to its original size and shape after loading and unloading
Elastic deformation
58
Pattern of the grains in a metal
Grain structure
59
Group of welding processes in which metal is joined by heating the filler metal at a temperature less than 840°F and less than the melting point of the basement metal
Soldering
60
In plain figures, the intersection of two lines
In building steel, L shaped structural steel of two equal or unequal width
Angle
61
A gas that has been heated by an arc to at least a partially ionize condition, enabling it to conduct an electric current
Arc plasma
62
Ability of a metal to conduct or resist, electricity, or the flow of electrons
Electrical properties
63
Welding operation, where the filler metal is fed automatically into the weld pool, but a welder holding a gun or torch controls, the travel, speed, travel angle, and the work angle
Semi automatic welding
64
Electromagnetic radiation with very short wavelength
X-ray
65
An electrode that does not melt, but sustains the Welding arc
Non-consumable electrode
66
T-shaped structural steel made of highbeams cut to specification by a mill or supplier
Tee
67
2FG
Horizontal position
(fillet weld)
68
Sea shaped structural steel used in conjunction with other structural shapes as support members or combined to serve as an i beam
Channel
69
A flux for submerged arc welding that causes changes in weld meadow composition that depends on the welding parameters use, especially voltage
Active flux
70
Quantitative measure of the incline of the power source volt amp curve
Slope
71
A groove or a notch formed in the base metal adjacent to a weld toe
Undercut
72
Round square or rectangular shaped structural steel
Tubing
73
The angle between the electrode axis and perpendicular to the world axis in a plane defined by the electrode and the world axis
Travel angle
74
Cables that are part of the electrical circuit and connect the power source to the electrode(electrode lead) and to the workplace(workpiece lead)
Welding leads
75
Steel with a carbon range of 0.75% to 1.7%
Very high carbon steel
76
Shortest distance from the face of the fillet, weld to the world root minus any convexity after Welding
Effective throat
77
Ability of a metal to stretch, bend or twist without breaking or cracking
Ductility
78
The angle between the electrode and the perpendicular to the weld axis when the electrode is pointing in the direction opposite to the direction of the progression of Welding
Drag angle
79
Welding machines that produces AC or DC
Rectifier
80
An arc welding circuit in which the electrode is connected to the positive terminal
Reverse polarity
81
Arc welding process in which the arc is shielded by the decomposition of the electrode covering
Shield metal arc welding
82
Metal to be welded
Parent metal
83
Distance from the centre of one row of rivets to the centre of the adjacent row of rivets
Back(transverse) pitch
84
Ability of a metal to withstand forces that cause it to twist
Torsional strength
85
Graphic symbol well locations specifications on prints
Welding symbol
86
Weld area temperature between passes of a multiple pass weld
Inner pass temperature
87
An instrument that produces an intense coherent light beam, which, when directed at the workplace is capable of generating sufficient heat to melt and weld the workpiece
Lazer
88
The ability of a circuit or device to produce induction, where induction is the production of an electric current in a conductor by variation of a magnetic field is in vicinity
Inductance
89
Portion of a bevelled edge preparation that is left substantially perpendicular to the workpiece surface, usually to prevent burn through
Root face
90
Phenomenon that allows liquid weld metal to easily spread over and fuse with the base metal
Wetting
91
The angle between a line perpendicular to the workpiece surface and the plane defined by the electrode and the weld axis
Work angle
92
Impact test specimen that is supported as a vertical cantilever beam and struck on the free and projecting above the vice
Ixod
93
A crack which is caused by the presence of hydrogen in the well zone and occurs at relatively low temperatures as the world cools usually below 100°C
Cold crack
94
Welding process that uses an arc shielded by gas from within the electrode
Flux core arc welding
95
Straight line around which a geometric figure is generated
Axis
96
Lack of ductility in a metal
Brittleness
97
Solid composed of atoms, arranged in a pattern that is repetitive in three dimensions
Crystal
98
Connection between welding, cable, and weld parts in the welding circuit
Grounded device
(ground)
99
Impact test specimens supported horizontally between two anvil’s with the pendulum allowed to strike opposite the notch
Charpy
100
Heat treatment process that softens a metal by heating it to a suitable temperature holding it at that temperature and cooling it at a suitable rate
Annealing
101
Change in the original shape of that metal as it expands when heated and contracts when cooled
Distortion
102
To serve as a medium of transmission
Conduct
103
Enlarged and recessed hole with square shoulders
Counterbored hole
104
Plate that is rolled between horizontal and vertical rollers and trimmed on all edges
Sheared plate
105
An atom or group of atoms that is not electrically natural, but instead carries a positive and negative charge
Ion
106
Four by which a liquid is contact with a solid is distributed between faying surfaces
Capillary action
107
A metal with iron as a major alloying element
Ferrous metal
108
Highly magnetic as is iron or an easily magnetized substance
Ferromagnetic
109
Electrode that produces a snappy, deep, penetrating arc and fast, freezing deposits
Fast freezing electrode
110
Surface of the joint members included in the groove of the weld
Groove face
111
Stress caused by two equal and parallel forces acting upon an object from opposite directions
Shearing stress
112
Physical configuration of the joint members to be joined
Weld joint
113
Movement of electrons through a conductor
Current
114
Welding technique used to increase the width and volume of the bead
Weaving
115
A surfacing operation where material is deposited on the surface to restore dimension
Build up
116
That witch tends to produce a flow of electricity from one point to another
Electromotive force
117
A component of the electrical circuit that terminates at the arc molten conductive, slag or base metal
Electrode
118
Ability of a metal to return to its original size and shape after loading and unloading
Elastic deformation
119
Last point at which a material can be deformed and still returned to its original shape
Elastic limit(yield)
120
Wild metal in excess of the quantity required to fill a joint
Weld reinforcement
121
The portion of the base metal adjacent to the weld metal, whose mechanical properties or microstructures have been changed due to the heat of welding
Heat effective zone
122
Weld that results from a weld pass
Weld bead
123
Device which holds sections of pipe or fittings before tack Welding
Pipe jig
124
Weld face that comes to a point and has no width
Root edge
125
Colour of a metal and how it reflects light
Optical properties
126
Narrow layer, our layers of metal deposited on the base metal as an electrode melts
Bead
127
To convert or become converted completely or partially by ions
Ionize
128
In relation to Welding power sources refers to the output of the machine when the load is constant or non-fluctuating the graph is created by applying a steady load and measuring the power source
Static V-I curve
