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C Ticket > Red Seal > Flashcards

Red Seal Flashcards

1
Q

What does the water cooled GTAW torch do?

A

Removes waste heat

This type of torch is designed to manage heat during welding processes.

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2
Q

GTAW, DCEN heat is?

A

⅔ in the work, 1/3 in the tungsten

This indicates how heat is distributed during the welding process.

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3
Q

What protects the puddle in SAW?

A

Granular flux

Granular flux is used to shield the molten weld pool from contaminants.

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4
Q

What is the correct voltage for Air Arc Gouging?

A

28 volts

This voltage is typically required for effective air arc gouging.

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5
Q

What is Chromemoly used for?

A

High temperature applications

Chromemoly steel is known for its strength at elevated temperatures.

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6
Q

High carbon steels contain what percentage of carbon?

A

0.50% or more

High carbon steels are characterized by their higher carbon content.

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7
Q

Why is preheating recommended with copper?

A

Because of its high thermal conductivity

Preheating helps to manage the heat during welding processes with copper.

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8
Q

Which component of a machine changes AC current to DC?

A

Rectifier

A rectifier is essential in converting alternating current to direct current.

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9
Q

What does the abbreviation RFSO stand for on a material list?

A

Raised Face Slip On

This term is used in piping and fitting specifications.

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10
Q

Which standard refers to welded steel construction?

A

CSA W59

CSA W59 outlines the requirements for welding of steel structures.

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11
Q

What tool is used for scribing large arcs and circles?

A

Tramme Points

Trammes are tools that assist in marking arcs and circles accurately.

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12
Q

Which fuel gas provides the best preheat?

A

Propane

Propane is favored for its efficiency in preheating applications.

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13
Q

What is the hand signal for lifting a load vertically?

A

Finger upwards with a turning motion

This signal is commonly used in construction and manufacturing settings.

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14
Q

What is annealing?

A

A heat treatment process that leaves the material in its softest, toughest, and weakest state.

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15
Q

What is the temperature range for stress relieving in welded steel fabrication?

A

1000 to 1150°F.

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16
Q

What is used to identify weld metal chemical composition in ASME?

A

F-Numbers.

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17
Q

What determines the thickness of steel that can be punched?

A

Equal to or less than the punch diameter.

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18
Q

What happens when a flame constantly extinguishes and reignites?

A

It indicates a backfire.

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19
Q

What two types of shielding gases are used with a plasma dual flow PAC torch?

A

CO2 and Nitrogen.

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20
Q

What method is best to control arc radiation, vapors, and fumes when using PAC?

A

Use a water table.

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21
Q

What are the equipment requirements for CACA?

A

Source of air, carbon electrodes, electrode holders, and power source.

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22
Q

What happens if you don’t remove glass spots when welding GMAW on root?

A

Porosity.

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23
Q

What do you need to do to weld a flatter and wider bead in SAW?

A

Increase volts.

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24
Q

What happens if you don’t purge medium-high carbon steel when welding root with fluxcore?

A

Hardening.

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25
Q

What is a common flaw when welding medium-high carbon steel?

A

Cracking.

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26
Q

When welding GMAW with a backing plate, what gap should be used?

A

3/16.

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27
Q

Should you use preheat when welding Inconel, and what temperature?

A

Yes, preheat is recommended.
450-500 Celsius

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28
Q

What size of grinding disc should be used to feather tacks for pipefitting?

A

3/32 (2.4mm).

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29
Q

What is the CFH for fluxcore welding?(gas flow rate)

A

95-1045.

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30
Q

What type of steel is 45 carbon steel?

A

Medium.

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31
Q

What temperature should be used when hardfacing with low alloy melting point?

A

Specific temperature not provided.

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32
Q

What is the purpose of hardfacing with titanium/chromium?

A

Mildly abrasive - plowing sand.

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33
Q

When welding single bevel with a backing plate, what land should be used?

A

None.

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34
Q

What is the purpose of the ferrule in stud welding?

A

Hold stud in place until molten puddle forms.

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35
Q

What type of joint is used in spot welding?

A

Lap joint.

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36
Q

How to set up pipe for welding?

A

Bend rod into a V or use a larger gap.

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37
Q

What is the common default issue when TIG welding high/medium carbon steel?

A

Cracking.

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38
Q

When welding titanium, what color indicates a bad weld?

A

White is bad; silver is good.

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39
Q

What gas should be used when welding aluminum overhead?

A

Helium 70/30 argon.

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40
Q

What position should be used for 1” aluminum welding?

A

Flat.

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41
Q

What is the recommended amps for spray welding?

A

150-160.

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42
Q

What causes sugaring for stainless steel?

A

Back large.

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43
Q

What is the welding setup for GMAW with 2 roots and 1 cap?

A

Use a backing plate.

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44
Q

What is the layout for a 3 piece 90?

A

Specific layout not provided.

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45
Q

What adjustment is needed for fusium welding of cast iron?

A

Neutral

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46
Q

What changes when cutting with plasma?

A

Sees changed by unstable.

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47
Q

How can instability with plasma be fixed?

A

By changing +p/nozzle.

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48
Q

What should you consider when choosing equipment for lifting?

A

Weight, not size!

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49
Q

What is required to change oxy fuel cutting to gouging?

A

Change tip to gouging tip.

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50
Q

Why is acetylene used for oxy fuel cutting?

A

It has a high temperature.

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51
Q

What rod is used for back gouging?

A

0, D, Flat.

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52
Q

What type of power does an industrial welding machine require?

A

3 Phase Power.

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53
Q

Where should you store SAW flux?

A

In a dry, warm place.

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54
Q

What should you do when using an oxy acetylene track torch?

A

Secure track and plate.

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55
Q

What are the advantages of track out over hand cut?

A

Better control, faster cutting.

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56
Q

Why is P.A. C 95 more efficient?

A

Mao walks, temperature increased, smaller MAZ.

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57
Q

What controls amps with stud welding?

A

Size of base standoff stud.

Increase cable size.

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58
Q

What is the ASME welder qualification for pressure welder?

A

Section 9.

59
Q

What is the inclination for gouging (PAL)?

A

30-40° Forehand.

60
Q

What coating flurs do you use when calling?

A

What gas is used for tonizing? Helium (neuter penetr).

61
Q

What effects some of the nugget?

A

Tip one.

62
Q

What variables affect welding?

A

Tool rest on a fixed grinder must be set to a maximum of 1 from wheel.

63
Q

What height must an employer have a guardrail erected for a temporary work area?

A

3m (lofed).

64
Q

What is the process of cracking an oxygen cylinder?

A

Remove dust, foreign objects

65
Q

How do you check if a reverse value flow is working?

A

Blow air backwards through the valve.

66
Q

Why is acetylene most frequently used?

A

It provides higher heat.

67
Q

What could rocking a file cause?

A

An uneven surface.

68
Q

When taping a hole, which direction should you turn the tap?

A

Turn tap counterclockwise to break the chip.

69
Q

What must clamps be for current?

A

Clamps must be the correct size and clamped tight.

70
Q

What is the Fast Fill Electrode?

A

7024

71
Q

What is the Fast Follow Electrode?

A

6012

72
Q

What is the Fast Free Electrode?

A

6011

73
Q

What is the Cellulose base Electrode?

A

6010

74
Q

What is the Rutile based Flux Electrode?

A

6013

75
Q

What is the Mineral Based Flux Electrode?

A

7018

76
Q

What is the Electrode that contains amounts of moisture?

A

6011

77
Q

What happens if you don’t remove glass spots when welding GMAW on root?

A

Porosity

78
Q

What do you need to do to weld a flatter and wider bead in SAW?

A

Increase volts

79
Q

What happens if you don’t purge medium-high carbon steel when welding root with flux core?

A

Hardening

80
Q

What is a common flaw when welding medium-high carbon steel?

A

Cracking

81
Q

What gap should be used when welding GMAW with a backing plate?

A

3/16

82
Q

Should you use preheat when welding Inconel and Monel, and what temperature?

A

No preheat needed, non-heat treatable

83
Q

What size of grinding disc should be used to feather tacks for pipefitting?

A

3/32 (2.4mm)

84
Q

What is the CFH for flux core welding?

A

30 to 40 CFH

85
Q

What type of carbon steel is .45 carbon steel?

A

Medium-high

86
Q

What temperature should be used when hardfacing with low alloy melting point?

A

Not specified

87
Q

What is the purpose of hardfacing with titanium/chromium?

A

Mildly abrasive, for plowing sand

88
Q

When welding single bevel with a backing plate, what land should be used?

A

None

89
Q

What is the purpose of the furrel in stud welding?

A

Hold stud in place until molten puddle is formed

90
Q

What joint is used in spot welding?

A

Lap joint

91
Q

How to set up pipe for welding?

A

Bend rod into V or use a larger gap

92
Q

What is the common default when TIG welding high/medium carbon steel?

A

Cracking

93
Q

What does a white appearance indicate when welding titanium?

A

Bad weld

94
Q

What gas should be used when welding aluminum overhead?

A

70/30 Helium/Argon

95
Q

What position should be used for 1” aluminum welding?

A

All positions

96
Q

What amps are needed for spray welding?

A

150-160

97
Q

What causes sugaring in stainless steel welding?

A

Not specified

98
Q

What is the configuration for GMAW with 2 roots and 1 cap?

A

With a backing plate

99
Q

When gouging what required duty cycle?

A

%100 or highest available

100
Q

Main purpose of copper coating on CAL-A electrades?

A

reduce vaportation rate of electrode

101
Q

Three types of CAC – a electrodes?

A

DC plain – DC copper coated and AC copper coated

102
Q

How could you achieve more than 1000 Amp?

A

Two or more machines connected in parallel

103
Q

Maximum electrode extension with CAC – a?

A

7 inch electrode extension

104
Q

What could cause excessive carbon buildup on base metal when gouging?

A

Improper air, jet position, travel speed too fast

105
Q

What problem will in adequate air with gouging operations cause?

A

Carbon deposit ,contaminants metal

106
Q

Open circuit voltage with PAC gouging process?

A

120–400 V

107
Q

Most common torch with PAC

A

Air gas plasma arc cutting torch

108
Q

What polarity is used with PAC?

A

DCSP (DCEN)

109
Q

What is done to a PAC torch to make it suitable for gouging operations?

A

Change nozzle to one that has lower arc stream velocity

110
Q

How many different Welding tips are used for oxy fuel, welding, and brazing?

A

2

111
Q

Recommended amps for 7018 –3/32 rod?

A

70-100amp

112
Q

Characteristics of a short arc are?

A

Decreased voltage increased amperage longer deposit

113
Q

Changing incline angle has what effect?

A

Depth of penetration

114
Q

Most commonly used drive role with FCAW?

A

KNURLED drive rolls

115
Q

E-70T-3
What position is indicated?

A

Flat and horizontal

116
Q

Increased amps with flux core procedures. What kind of bead does that make?

A

Narrow, high bead, less flow more penetration

117
Q

Welding steel with gas, metal arc welding what gas gives most penetration?

A

CO2

118
Q

Metal transfer with gas metal arc welding, what procedure has the least spatter?

A

Spray

119
Q

A kneeling high carbon is done to?

A

Soften steel

120
Q

The base of an inclined ladder shall not exceed what from base of wall?

A

1/4 of the vertical height

121
Q

Three key elements of WHMIS?

A

Labels, MSDS and education

122
Q

Valve protecting caps must?

A

Remain on cylinder until it is secured

123
Q

7048 is what position rod

A

All position rod

124
Q

Number one cause of flashback?

A

Uneven pressure

125
Q

What is the name given by scientists to a substance made only of one type of atom?

A

Element

126
Q

What is an alloy?

A

A material composed of two or more elements one of which is a metal

127
Q

What are the three states of matter?

A

Solid liquid gas

128
Q

Name the three most common steel numbering systems used in Canada?

A

ASTM, CSA, AISI

129
Q

What is the main difference between steel and cast-iron?

A

The amount of carbon. Cast-iron has more than 1.7%.

130
Q

Which crystalline structure does iron adapt at room temperature

A

Bcc body centred cubic

131
Q

Three main ways to produce hardness?

A

Alloying, finer grains, heat treatment(quenching)

132
Q

Perlite is what phase?

A

Soft phase

133
Q

Martensite is what phase?

A

Hard phase

134
Q

Bainite is done by?

A

Produced immediate rates of cooling. Its hardness is in between.

135
Q

Why is it necessary to heat treat steals

A

To change the materials properties, such as hardness, strength, or toughness

136
Q

To remove stresses from welded parts which heat treatment is normally recommended?

A

Stress relief

137
Q

Which heat treatment produces the softest metal?

A

Annealing

138
Q

What is the purpose of tempering?

A

Tempering increases toughness without affect affecting strength

139
Q

True or false?
Weld metal shrinkage is not proportional to the amount of weld metal?

A

False

140
Q

True or false?
Longitudinal residual stress may be as high as the yield stress of the base metal

A

True

141
Q

True or false?
There is no presidency stress in a steel plate with mill rolled edges without any additional heat treatment?

A

False

142
Q

True or false?
Oxy fuel, gas, cutting along rectangular steel plates always cause distortion?

A

False

143
Q

What is the maximum temperature used to heat strengthening or forming low alloy steels?

A

650 Celsius

C Ticket (2 decks)

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