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Stephs Flash Cards > Red Seal 3 > Flashcards

Red Seal 3 Flashcards

1
Q

Hole with a cone shaped opening or recess at the outer surface

A

Counter sunk hole

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2
Q

Separation of elements compressing the base metal

A

Segregation

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3
Q

Testing of well defects and strength requirements using x-rays

A

Radiographic examination

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4
Q

Enlarging and improving the surface quality of a hole

A

Reaming

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5
Q

Fitting consisting of three parts having threads and flanges, which draw together when tightening

A

Union

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6
Q

Joining together of dissimilar metals by capillary action

A

Adhesion

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7
Q

Hole with a cone shaped opening below the outer surface

A

Counter drilled hole

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8
Q

The geometry of the joint and the dimension of the welded joint

A

Joint design

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9
Q

The length of unmelted electrode, extending beyond the end of the contract tube

A

Electrode extension

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10
Q

Ratio of the maximum load to the original cross-sectional area

A

Tensile strength

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11
Q

A part of a surface where change occurs

A

Surface feature

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12
Q

Part of the joint member which is in full contact prior to Welding

A

Faying surface

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13
Q

Property of a metal to resist various kinds of rapidly alternating stresses

A

Fatigue strength

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14
Q

Intersection of the base metal and the weld face

A

Weld toe

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15
Q

Electricity in motion in an electric current

A

Dynamic electricity

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16
Q

A potential charge of electricity at rest such as a battery or other storage device

A

Electrostatic

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17
Q

Effective holding length of a rivet

A

Grip

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18
Q

Load that remains constant

A

Static load

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19
Q

Electricity at rest

A

Static electricity

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20
Q

Screw thread series, of coarse (UNC/UNFC) fine (UNF/UNRF) and extra fine (UNEF/UNREF) graded pit pinches, and eight series with constant pitch

A

Standard series

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21
Q

Electrically non-conducting

A

Dielectric

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22
Q

Distance from the fusion phase to the weld interface

A

Depth of fusion

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23
Q

The ratio of the weight of filler metal deposited in the weld medal to the weight of the filler metal melted, expressed as a percentage

A

Deposition efficiency

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24
Q

Process of hardening, low carbon steel by heating it in sodium cyanide or potassium cyanide

A

Cyaniding

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25
Q

Ability of a metal to resist failure when subjected to very low temperatures

A

Cryogenic properties

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26
Q

The weight of material deposited in a unit of time

A

Deposition rate

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27
Q

When preparing test coupons for an ASME sectionIX Welder qualification what is the maximum that the edges of each coupon may be radiused

A

1/8“ (3.2mm)

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28
Q

Any material through which electricity flows easily

A

Conductor

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29
Q

A mould formed around the workpiece to contain and shape the weld metal

A

Thermite mold

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30
Q

Unit of measure for electricity that expresses the quantity or number of electrons flowing through a conductor per unit of time

A

Ampere (amp or A)

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31
Q

Maximum stress and material can withstand without permanent deformation

A

Proportional limit

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32
Q

Correctly installed cable clips will reduce the breaking strength of a wire rope by? What percentage

A

20%

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33
Q

What has the best insulating properties?

A

Poly propylene

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34
Q

A part of the completely mechanized welding equipment set up that incorporates the gun or the torch, the wire feeder and the wire spool

A

Welding head

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35
Q

801T-11 is welded with

A

DCEN

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36
Q

What reduction in ability and increase in corrosion resistance

A

4043

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37
Q

NASME what is used to identify weld metal chemical composition?

A

A Numbers

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38
Q

Wire liners used for steel wire are made of

A

Hardening steel

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39
Q

mild steel gun angle would be what with GMAW

A

5° to 15°

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40
Q

To correct undercut during spray transfer you would what

A

Increase current

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41
Q

A joint where the design does not require the well throat to equal the workpiece thickness

A

Partial penetration joint

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42
Q

Process of building war surfaces by depositing several layers of beads

A

Padding

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43
Q

3/16 or less structural steel used to cover large expenses of a structure

A

Sheet

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44
Q

The opposition to an alternating current caused by inductance and capacitance

A

Reactance

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45
Q

Properties that describe the behaviour of metals under applied loads

A

Mechanical properties

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46
Q

Distance from the edge of a plate to the centre line of the nearest row of rivets

A

Margin

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47
Q

Electrode whose deposits are soft and ductile enough that they can easily be machine after Welding

A

Machinable electrode

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48
Q

Well type made in the cross-section no shaped of a hole in one of the joint members

A

Plug weld

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49
Q

BS=WLL x (design factor)

A

Breaking strength

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50
Q

WLL= WLLxH/Lx2

A

Working load limit

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51
Q

The deposition rate for FCAW can be as high as

A

25 pounds(12klo) per hour

52
Q

High pressure CO2 cylinders are what pressure and a full cylinder pressure is approximately what PSI

A

High

835 PSI

53
Q

Cylinder valves on high-pressure cylinders are designed to deliver only what

A

1800 psi

54
Q

At flow rates greater than 12 L/min CO2 flow metres may what

A

Freeze

55
Q

What are three types of welding guns

A

Bernard
Tweeko
Tragaskis

56
Q

What code of standard covers the construction of pressure valves?

A

ASME section VIII

57
Q

What is defined as the voltage drop per 100 A of current rise

A

Slope

58
Q

What slows down the rate of current rise

A

Inductance

59
Q

CC machines are used for gas metal arc welding of what type of metal

A

Aluminum

60
Q

Extending weld metal beyond the weld toe of weld root

A

Overlapping

61
Q

Thermal, electrical,optical, magnetic, and general properties of metal

A

Physical properties

62
Q

Most regulators for flow metres deliver a constant pressure to the flow metre of what psi

A

50 psi

63
Q

FCAW has a deposit deposition efficiency of what percent

A

82% – 92%

64
Q

Combination of weld and oxygen into metal oxides

A

Oxidation

65
Q

Distance between joint members at the root of the world before Welding

A

Root opening

66
Q

Distance between joint members at the root of the world before Welding

A

Root opening

67
Q

Metal formed by a mechanical or hydraulic press with or without heat

A

Forged

68
Q

An ark that is struck between the electrode of a plasma arc torch, and the work piece

A

Transferred arc

69
Q

The force applied to the electrodes in resistance welding are

A

Electrode force

70
Q

What adjusts the current output at short circuit levels

A

Slope control

71
Q

What would be the appropriate temperature range of a rod oven for proper storage of low hydrogen electrodes

A

30°C – 140°C(85°F – 250°f) above ambient temperature

72
Q

What are important when CO2 shielding gas is used?

A

Deoxidizers

73
Q

ER 480S –6

A

Silicone and manganese
Low spatter

74
Q

A tool, capable, or used for long continuous lifts

A

Grip hoist

75
Q

Supplementary symbol indicated by a triangular flag rising from the intersection of the arrow and reference line which specifies the Welding operation is to be completed in the field at the location of final installation

A

Field weld symbol

76
Q

What is done to restore a grinding wheel that has become glazed or loaded with foreign particles?

A

Dressing

77
Q

True or false
All assembly prints are used as detailed prints when completed dimensions are applied to all of the assembled parts

A

False

78
Q

True or false
In certain cases, cutting and bending members to create joints for structural shapes, maybe more economical even through Moore cutting and Welding are required

A

False

79
Q

Three types of weld transfers are

A

Short circuit
Globular
Spray

80
Q

If the shielding gas is interrupted it can cause what in the weld

A

Porosity and contamination

81
Q

GMAW can weld all metals but those that cannot______

A

Be drawn into a wire

82
Q

High current density produces what

A

Deeper penetration

83
Q

GMAW has a deposition efficiency of what percent

A

90% – 98%

84
Q

GMAW polarity is

A

DCEP

85
Q

Solid wires, runoff, of which polarity

A

DCEP

86
Q

Well, type in which well beads are deposited on a surface to increase the dimensions of the part or to add special properties to the weld part

A

Surfacing weld

87
Q

What drawings facilitate the preparation of bills of material?

A

Subassembly

88
Q

The flare what joints are used in weldment of heavier gauge materials where one or two of the members have

A

Bevel

89
Q

If the backing material is to be removed following the completion of the groove weld, what notion is used?

A

R

90
Q

Well type made in the cross-sectional shape of a slot(elongated hole) in one of the joint members

A

Slot weld

91
Q

Ability of a weld to resist loads that are applied suddenly and often at high velocity

A

Impact strength

92
Q

What is the rigging signal used to lift a load vertically?

A

Finger pointed upwards with a circular turning motion

93
Q

Amount of heat required to melt a given amount of metal

A

Melting point

94
Q

Electrical requirements for operating a welding machine

A

Input

95
Q

A gas that does not participate in any chemical reaction at all

A

Inert gas

96
Q

A weld discontinuity formed when the weld metal does not completely fuse with the substrate(base metal or previous well bead)

A

Incomplete fusion

97
Q

An oxy fuel flame with an excess of oxygen

A

Oxidizing flame

98
Q

Application of heat to the weld part after welding to facilitate a controlled cooling rate

A

POST heating

99
Q

Round or oblong discontinuities in a wild metal formed as a result of entrapment of gas during weld metal solidification

A

Porosity

100
Q

3/16 or more thick structural steel used to cover large expansions of a structure

A

Plate

101
Q

Distance between corresponding points on adjacent thread forms

A

Pitch

102
Q

Surface of the weld on the opposite side of the joint on which Welding was done

A

Root surface

103
Q

Filler metal that expands above the surface of the joint on the opposite side of the joint on which Welding was done

A

Root reinforcement

104
Q

Initial weld pass that provides complete penetration through the thickness of the joint member

A

Root pass

105
Q

Load that is applied suddenly or intermittently

A

Impact load

106
Q

2G

A

Horizontal position

107
Q

Maximum amp and voltage of a welding machine

A

Output

108
Q

The gas in the plasma arc welding torch that gets ionized in the arc to form art plasma, and comes out of the constricting orifice of nozzle as a plasma jet is what gas

A

Orifice gas

109
Q

External force supplied to an elastic body that causes stress in a material

A

Load

110
Q

Method used to achieve the surface finish

A

Weld finish

111
Q

The total opposition of an alternating current presented by a circuit(the algebraic sum of resistance, Capas tense and inductance)

A

Impendence

112
Q

Voltage developed across a component by the flow of current through the resistance or impedance of the component

A

Voltage drop

113
Q

Angle that contains 90°

A

Right angle

114
Q

Welding machine that produces AC only

A

Transformer

115
Q

Steel with a carbon range of 0.05% to 0.30%

A

Low carbon steel

116
Q

Impurity or foreign substance forged into a molten puddle during the welding process

A

Inclusion

117
Q

With a CV power source increase arc length will

A

Decrease burn off rate

118
Q

What is the most common type of non-destructive testing?

A

Visual inspection

119
Q

Load voltage is reading on a what

A

Volt metre

120
Q

What would the abbreviation RFSO mean on a material list?

A

Raised face slip on

121
Q

Which component of a welding machine changes AC current to DC current

A

Rectifier

122
Q

What is the best way to determine the composition of a metal so that it can be welded?

A

Determining the composition of a metal for welding purposes is crucial for ensuring compatibility and achieving optimal weld quality. Here are the best methods to determine the composition of a metal:

  1. Chemical Analysis:
    • Spectroscopy: Techniques such as Optical Emission Spectroscopy (OES) or X-ray Fluorescence (XRF) can provide detailed information about the elemental composition of a metal. OES is particularly useful for metals and alloys, while XRF can be used for a variety of materials.
    • Wet Chemistry: Laboratory methods involving chemical reactions to determine the concentration of specific elements can be used, though they are less common for initial assessments.
  2. Mechanical Testing:
    • While mechanical tests (like tensile tests or hardness tests) won’t give you direct composition information, they can provide insights into the metal’s properties and guide you toward the appropriate composition standards for welding.
  3. Visual Inspection and Identification:
    • Magnetic Properties: Some metals are ferromagnetic, while others are non-magnetic. This can provide initial clues about the type of metal.
    • Color and Surface Finish: Certain metals have distinctive colors or finishes that can help in identification (e.g., copper has a reddish color).
  4. Welding Procedure Specifications (WPS):
    • Refer to established welding procedure specifications that outline the compatible materials and filler metals for welding specific alloys. These documents often provide guidance based on common compositions.
  5. Material Certification:
    • If available, refer to material certificates (like mill test reports) that accompany metal purchases. These documents typically provide detailed chemical composition and mechanical properties.
  6. Portable Analyzers:
    • Handheld XRF analyzers or other portable spectrometers can be used on-site to quickly determine the composition of metals without needing to send samples to a lab.
  7. Consulting Standards:
    • Reference industry standards (like ASTM, ISO, or AWS) that specify the composition and mechanical properties of metals used in welding applications. This can help in identifying suitable materials.
  8. Professional Assistance:
    • If in doubt, consulting a metallurgist or materials engineer can provide insights into the composition and suitability of metals for welding.

Once the composition is determined, it’s essential to select the appropriate welding method and filler material that match the metal’s properties to achieve a successful weld.

123
Q

What type of material has a grain structure that appears very coarse and silvery

A

White cast iron

124
Q

Which metal is more likely to crack due to well joint shrinkage

A

Cast iron

125
Q

Which type of drawing would show all these sides equally and uses horizontal plane lines at 30°

A

Isometric

126
Q

What does 3F designate on a Welding specification sheet?

A

Vertical fillet weld position

Stephs Flash Cards (4 decks)

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