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CWI Prep Tests > PROCESSES > Flashcards

PROCESSES Flashcards

1
Q
  1. A welding technique wherein the welding torch or gun is directed toward the progress of welding is:

a. Backhand technique
b. Downhand technique
c. Forehand technique
d. Uphill technique

c. None of the above

A
  1. A welding technique wherein the welding torch or gun is directed toward the progress of welding is:
    c. Forehand technique
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2
Q
  1. In arc and gas welding, the metal particles expelled during welding and which do not form part of the weld is called:

a. Buck shot
b. Bee Bees
c. Spatter
d. Splatter

A
  1. In arc and gas welding, the metal particles expelled during welding and which do not form part of the weld is called:
    c. Spatter
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3
Q
  1. When selecting a covered electrode for SMAW, you must consider:

a. Base metal composition
b. Joint design
c. Type of current
d. All of the above

A
  1. When selecting a covered electrode for SMAW, you must consider:

D. All of the above

a. Base metal composition
b. Joint design
c. Type of current

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4
Q
  1. The welding inspector should evaluate critical joint fit-ups before welding begins. Which of the following is NOT an essential part of this evaluation?

a. Edge preparation
b. Postheat temperature
c. Tack welds
d. Dimensions and alignment
e. Root opening

A
  1. The welding inspector should evaluate critical joint fit-ups before welding begins. Which of the following is NOT an essential part of this evaluation?
    b. Postheat temperature
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5
Q
  1. A weld is required by the welding procedure to be made with the GTAW process. When you have it radiographed, it is found to contain several pieces of slag. What does this tell you?

a. Welder must have lost his shielding
b. Welder was not too careful in following cleaning procedure between weld passes
c. The weld was not made by the GTAW process
d. The radiographer must have made a mistake

A
  1. A weld is required by the welding procedure to be made with the GTAW process. When you have it radiographed, it is found to contain several pieces of slag. What does this tell you?
    c. The weld was not made by the GTAW process
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6
Q
  1. If the next to last digit in the AWS classification for a covered electrode is a number “1 “, the electrode is made for:

a. Flat position welding only
b. All position welding
c. Welding stainless steel
d. AC welding only

A
  1. If the next to last digit in the AWS classification for a covered electrode is a number “1 “, the electrode is made for:
    b. All position welding
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7
Q
  1. To produce a smoother arc action, covered electrodes for AC welding contain special ingredients called:

a. Filler metals
b. Static suppressors
c. Arc stabilizers
d. Deoxidizers

A
  1. To produce a smoother arc action, covered electrodes for AC welding contain special ingredients called:
    c. Arc stabilizers
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8
Q
  1. When using a constant current (drooper) welding machine, small changes in arc length produce relatively large changes in:

a. Arc voltage
b. Arc current
c. Open circuit voltage
d. The slope of the drooper curve

A
  1. When using a constant current (drooper) welding machine, small changes in arc length produce relatively large changes in:
    a. Arc voltage
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9
Q
  1. When you use DC slraigh! polarity (DCSP) welding current, lhe electrode is:

a. Bypassed
b. Grounded
c. Positive
d. Negative

A
  1. When you use DC slraigh! polarity (DCSP) welding current, lhe electrode is:
    d. Negative
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10
Q
  1. The purpose of the tungsten electrode used in GTAW is to:

a. Carry current and establish a welding arc
b. Add filler metal to the weld
c. Make shielding gas
d. All of the above

A
  1. The purpose of the tungsten electrode used in GTAW is to:
    a. Carry current and establish a welding arc
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11
Q
  1. The submerged arc welding process shields the arc with:

a. An inert shielding gas
b. A flux cored electrode
c. A blanket of granular flux
d. A flux coated electrode

A
  1. The submerged arc welding process shields the arc with:
    c. A blanket of granular flux
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12
Q
  1. Which type of current produces the greatest penetration, using the submerged arc process:

a. Direct Current Electrode Positive (DCRP)
b. Direct Current Electrode Negative (DCSP)
c. AC Electrode Neutral (ACEN)
d. Penetration is equal for all above.

A
  1. Which type of current produces the greatest penetration, using the submerged arc process:
    a. Direct Current Electrode Positive (DCRP)
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13
Q
  1. The gas metal arc (MIG/GMAW) welding process utilizes a:

a. Continuously fed bare electrode
b. Flux coated electrode
c. Non-consumable electrode
d. Tubular core containing a core of flux

A
  1. The gas metal arc (MIG/GMAW) welding process utilizes a:
    a. Continuously fed bare electrode
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14
Q
  1. The shielding gas normally used for welding mild steel with the GMAW process is:

a. Argon
b. Helium
c. Carbon Dioxide (CO2)
d. Natural Gas/Helium Mixture

A
  1. The shielding gas normally used for welding mild steel with the GMAW process is:
    c. Carbon Dioxide (CO2)
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15
Q
  1. The GMAW process:

a. Is a semi-automatic process
b. Is an automatic process
c. May be either machine or semi-automatic
d. Uses a tubular electrode when self shielded

A
  1. The GMAW process:
    c. May be either machine or semi-automatic
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16
Q
  1. GMAW, in a state of globular transfer, deposits the metal as:

a. The wire is melted off in small droplets, one half the wire diameter
b. The wire is melted off in balls of molten metal two to three times the electrode wire diameter.
c. The wire continually shorts against the work piece
d. Solid, liquid stream at intermittent intervals.

A
  1. GMAW, in a state of globular transfer, deposits the metal as:
    b. The wire is melted off in balls of molten metal two to three times the electrode wire diameter.
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17
Q
  1. On a constant voltage (CV) power source, the wire feed control also regulates the:

a. Voltage
b. Stick-out
c. Amperage
d. Cooling rate

A
  1. On a constant voltage (CV) power source, the wire feed control also regulates the:
    c. Amperage
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18
Q
  1. The FCAW process protects the molten weld pool from the atmosphere:

a. With an external CO2 shielding gas
b. With an external argon shielding gas
c. Through breakdown of flux coated wire
d. Through a combination of CO2 shielding gas and breakdown of flux-cored wire or simply through the breakdown of the flux-cored wire.

A
  1. The FCAW process protects the molten weld pool from the atmosphere:
    d. Through a combination of CO2 shielding gas and breakdown of flux-cored wire or simply through the breakdown of the flux-cored wire.
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19
Q
  1. Optimum efficiency with GMAW is achieved by:

a. Direct Current Reverse Polarity (DCRP)
b. Direct Current Straight Polarity (DCSP)
c. Alternating Current Neutral Polarity (ACNP)
d. Efficiency is not affected by either of the above.

A
  1. Optimum efficiency with GMAW is achieved by:
    a. Direct Current Reverse Polarity (DCRP)
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20
Q
  1. The FCAW process, used with CO2 shielding gas at DCRP results in:

a. Deep penetrating qualities into the weld root
b. Shallow penetration
c. Welds with no defects
d. Slow uneconomical welding

A
  1. The FCAW process, used with CO2 shielding gas at DCRP results in:
    a. Deep penetrating qualities into the weld root
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21
Q
  1. In Gas Tungsten Arc Welding (GTAW), the electrode is used to:

a. Fill in the gap in the weld joint
b. Create the arc
c. Activate the shielding gas
d. Control amperage

A
  1. In Gas Tungsten Arc Welding (GTAW), the electrode is used to:
    b. Create the arc
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22
Q
  1. AC machines used for GTAW in welding aluminum must be equipped with a:

a. Heliarc control circuit to increase production
b. High frequency generator to stabilize the arc.
c. Controls for operating shielding gas to prevent porosity
d. Frequency control box to prevent formation of oxides on welds

A
  1. AC machines used for GTAW in welding aluminum must be equipped with a:
    b. High frequency generator to stabilize the arc.
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23
Q
  1. In GTAW, DCRP is very seldom used because:

a. The technique required is too slow
b. DCRP uses more shielding gas
c. DCRP produces a narrow, deep weld with less possibility for electrode burn-off
d. Generates too much heat at the tungsten electrode

A
  1. In GTAW, DCRP is very seldom used because:
    d. Generates too much heat at the tungsten electrode
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24
Q
  1. When a “suffix” is used following the filler metal classification (i.e., E8018-C3), it designates:

a. A low hydrogen-iron powder electrode covering
b. An electrode which may also be used as a filler metal rod
c. The chemical composition of the deposited weld metal
d. The chemical composition of the electrode coating

A
  1. When a “suffix” is used following the filler metal classification (i.e., E8018-C3), it designates:
    c. The chemical composition of the deposited weld metal
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25
Q
  1. Which of the following is a correct AWS electrode classification for flux-cored wire?

a. EM12K
b. ER70S-3

c. E70T-1
d. E6010

A
  1. Which of the following is a correct AWS electrode classification for flux-cored wire?
    c. E70T-1
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26
Q
  1. When a number contains five (5) digits (i.e., E11016), it is because:

a. The tensile strength of !he electrode metal is 100,000 pounds per square inch or over.
b. The electrodes with five (5) digit numbers have more items to be identified.
c. It is because the electrode is of the low hydrogen type, requiring an extra digit.
d. Any of the above may necessitate an extra digit

A
  1. When a number contains five (5) digits (i.e., E11016), it is because:
    a. The tensile strength of !he electrode metal is 100,000 pounds per square inch or over.
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27
Q
  1. If there is a number “2” in the next lo last digit position in the SMAW filler metal classification, it indicates that:

a. The electrode can be used in all positions.
b. The electrode can be used in the flat position only.
c. The electrode can be used in the flat (grooves and fillets) and horizontal (fillets) position.
d. The electrode can be used in any two (2) welding positions.
e. None of the above

A
  1. If there is a number “2” in the next lo last digit position in the SMAW filler metal classification, it indicates that:
    c. The electrode can be used in the flat (grooves and fillets) and horizontal (fillets) position.
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28
Q
  1. An E6010 electrode should be used with:

a. DC reverse polarity
b. DC straight polarity
c. AC only
d. “a” and “b”
e. Either “a”, “b”, or “c”, depending on equipment availability

A
  1. An E6010 electrode should be used with:
    a. DC reverse polarity
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29
Q
  1. A one-to-one mixture of oxygen and acetylene produces a flame that is:

a. Neutral
b. Oxidizing
c. Yellow
d. Carburizing

A
  1. A one-to-one mixture of oxygen and acetylene produces a flame that is:
    a. Neutral
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30
Q
  1. What serious condition is indicated when the torch emits a loud and shrill squeal or hissing sound?

a. Backfire
b. Too much gas pressure
c. A flashback
d. Too much acetylene in the flame

A
  1. What serious condition is indicated when the torch emits a loud and shrill squeal or hissing sound?
    c. A flashback
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31
Q
  1. What is the duty cycle of a 300 ampere welding machine designed to operate continuously for seven (7) out of every ten (10) minutes?

a. 10%
b. 30%

c. 70%
d. 86.7%

A
  1. What is the duty cycle of a 300 ampere welding machine designed to operate continuously for seven (7) out of every ten (10) minutes?
    c. 70%
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32
Q
  1. The reducing flame, a variation of the carburizing flame, is produced by a gas mixture that has a slight excess of:

a. MAP Gas
b. Acetylene
c. Oxygen
d. Carbon Dioxide

A
  1. The reducing flame, a variation of the carburizing flame, is produced by a gas mixture that has a slight excess of:
    b. Acetylene
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33
Q
  1. When making a OAW test weld on a piece of metal, it is important to observe which of the following?

a. Reaction of the metal to the heat
b. Filler and base metal compatibility
c. Flux effectiveness
d. All of the above

A
  1. When making a OAW test weld on a piece of metal, it is important to observe which of the following?

D. All of the above

a. Reaction of the metal to the heat
b. Filler and base metal compatibility
c. Flux effectiveness

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34
Q
  1. Metal in the path of an oxygen cutting jet is actually removed by:

a. Rapid oxidation
b. Burning of metal
c. A compressed air stream
d. The force of the flame

A
  1. Metal in the path of an oxygen cutting jet is actually removed by:
    a. Rapid oxidation
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35
Q
  1. The main difference between an OFC torch and an OFW torch is that the cutting torch has:
    a. Much smaller orifices
    b. Much larger orifices

c. One less control lever
d. An added control lever

A
  1. The main difference between an OFC torch and an OFW torch is that the cutting torch has:
    d. An added control lever
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36
Q
  1. In brazing, the filler metal is distributed in the joint by:

a. Direct disposition
b. Capillary action
c. Convection
d. Gravity

A
  1. In brazing, the filler metal is distributed in the joint by:
    b. Capillary action
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37
Q
  1. When welding outside with either GTAW or GMAW, shield the arc from the wind because both processes use:
    a. Flux
    b. Spray Transfer Method

c. Shielding Gas
d. Backup Strips

A
  1. When welding outside with either GTAW or GMAW, shield the arc from the wind because both processes use:
    c. Shielding Gas
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38
Q
  1. If low hydrogen electrodes have been exposed to the atmosphere for more than an hour or two, you should:

a. Throw them out automatically
b. Wipe them with a rag
c. Rebake them in an oven
d. Soak them in oil

A
  1. If low hydrogen electrodes have been exposed to the atmosphere for more than an hour or two, you should:
    c. Rebake them in an oven
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39
Q
  1. Two (2) of the modes of metal transfer for GMAW are:
    a. Spray arc and short circuit
    b. Open arc and short arc

c. Short circuit and long arc
d. Long arc and short arc

A
  1. Two (2) of the modes of metal transfer for GMAW are:
    a. Spray arc and short circuit
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40
Q
  1. Compared to other metal transfer methods, spray transfer:
    a. Heats the base metal the most
    b. Has greater penetration

c. Has higher deposition rate
d. All of the above

A
  1. Compared to other metal transfer methods, spray transfer:

D. All of the above

a. Heats the base metal the most
b. Has greater penetration
c. Has higher deposition rate

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41
Q
  1. Which electrode is designated as an all-position electrode?

a. E7024
b. E11018M

c. E309-16
d. b & c above

A
  1. Which electrode is designated as an all-position electrode?

D. b & c above

b. E11018M
c. E309-16

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42
Q
  1. Which electrode(s) shown below should you expect to be used with a welding procedure which designates a stainless steel electrode?

a. E7024
b. E10018
c. E309-16
d. Both band c

A
  1. Which electrode(s) shown below should you expect to be used with a welding procedure which designates a stainless steel electrode?
    c. E309-16
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43
Q
  1. Which is valid for pre-weld preparation of oxyacetylene welding?

a. The opening of the joint must be relatively large (as compared to arc welding) for adequate penetration.
b. Cleaning of the joint is accomplished by burning out the existing contamination with the torch
c. Vertical and overhead welds must be eliminated
d. All of the above

A
  1. Which is valid for pre-weld preparation of oxyacetylene welding?
    a. The opening of the joint must be relatively large (as compared to arc welding) for adequate penetration.
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44
Q
  1. What is the primary limitation of oxyacetylene welding?

a. Not very portable
b. Skill level required
c. Availability of consumables
d. No limitations, it is easy to use

A
  1. What is the primary limitation of oxyacetylene welding?
    b. Skill level required
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45
Q
  1. What types of discontinuities are associated with improper oxyacetylene flame settings?

a. Porosity and overlap
b. Inclusions and incomplete fusion
c. Cracks and undercut

A
  1. What types of discontinuities are associated with improper oxyacetylene flame settings?
    b. Inclusions and incomplete fusion
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46
Q
  1. Which type of brazing is done in a vacuum or inert gas?

a. Furnace brazing
b. Induction brazing
c. Infrared brazing
d. All of the above

A
  1. Which type of brazing is done in a vacuum or inert gas?
    a. Furnace brazing
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47
Q
  1. In the brazing process, what type of discontinuities may result from overheating?

a. Inclusions
b. Erosion of the base metal
c. Cracking
d. Overlap

A
  1. In the brazing process, what type of discontinuities may result from overheating?
    b. Erosion of the base metal
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48
Q
  1. A brazed joint shows erratic traces of filler, suggesting improper cleaning. What inspection method will show whether the joint is sound without destroying the brazed piece?

a. Torsion test
b. Eddy current
c. Shear wave
d. Peel test

A
  1. A brazed joint shows erratic traces of filler, suggesting improper cleaning. What inspection method will show whether the joint is sound without destroying the brazed piece?
    b. Eddy current
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49
Q
  1. When a welder bends his electrode, breaking the coating, and then welds with the bent portion anyway, what defects should you expect to find?

a. Porosity (incomplete shielding)
b. Undercut (unstable arc)
c. Slag inclusions (unstable arc, poor bead control)
d. All of the above

A
  1. When a welder bends his electrode, breaking the coating, and then welds with the bent portion anyway, what defects should you expect to find?

D. All of the above

a. Porosity (incomplete shielding)
b. Undercut (unstable arc)
c. Slag inclusions (unstable arc, poor bead control)

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50
Q
  1. What is the major cause of undercut, undertill, and overlap in Shielding Metal Arc Welding?

a. Poor joint preparation
b. Poor welding technique
c. Wrong shielding chemicals
d. Environmental factors

A
  1. What is the major cause of undercut, undertill, and overlap in Shielding Metal Arc Welding?
    b. Poor welding technique
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51
Q
  1. A GMAW weld is to be made in a vertical fillet on carbon steel plate. Which mode will do this best?

a. Globular Arc
b. Spray Arc
c. Pinched Arc
d. Short circuiting arc
e. Both “c” and “d”

A
  1. A GMAW weld is to be made in a vertical fillet on carbon steel plate. Which mode will do this best?
    d. Short circuiting arc
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52
Q
  1. You unknowingly step on the gas line while watching deposition of an argon shielded GMAW weld in aluminum. What discontinuity may be caused?

a. Porosity
b. Tungsten inclusions
c. Overlap
d. Underbead cracks

A
  1. You unknowingly step on the gas line while watching deposition of an argon shielded GMAW weld in aluminum. What discontinuity may be caused?
    a. Porosity
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53
Q
  1. You are to inspect welds made by GMAW in the short circuiting mode for compliance with AWS D1.1, Structural Welding Code. What factor must you consider?

a. Joint welding procedure must be qualified by tests
b. Process is pre-qualified; inspect only for cracks
c. Process does not give complete penetration and is prohibited by this code.

d. “a” and “c” above.

A
  1. You are to inspect welds made by GMAW in the short circuiting mode for compliance with AWS D1.1, Structural Welding Code. What factor must you consider?
    a. Joint welding procedure must be qualified by tests
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54
Q
  1. What can cause a poor quality flux core weld?

a. Deficiency of some ingredient in flux
b. Improper storage of wire, resulting in deterioration of the wire
c. Both “a” and “b”
d. Changes of inert shielding gas

A
  1. What can cause a poor quality flux core weld?

C. Both “a” and “b”

a. Deficiency of some ingredient in flux
b. Improper storage of wire, resulting in deterioration of the wire

55
Q
  1. Why does Gas Tungsten Arc Welding produce an exceptionally clean weld deposit?

a. Slow welding speed results in sufficient time for evolved gases to escape
b. Inert shielding gas is used
c. Both “a” and “b”
d. Continuous wire feed

A
  1. Why does Gas Tungsten Arc Welding produce an exceptionally clean weld deposit?

C. Both “a” and “b”

a. Slow welding speed results in sufficient time for evolved gases to escape
b. Inert shielding gas is used

56
Q
  1. What is the source of tungsten found in a weld made by Gas Tungsten Arc Welding?

a. The tip of the electrode
b. Tungsten impurities in the wire filler material
c. Tungsten in solution in the gas mixture
d. Pieces for the gas nozzle become part of the weld

A
  1. What is the source of tungsten found in a weld made by Gas Tungsten Arc Welding?
    a. The tip of the electrode
57
Q
  1. Why are vision filters not necessary for submerged arc welding?

a. The light waves emitted by the welding arc are not dangerous to the human eye
b. The welding arc is not visible because the shielding material hides them
c. The welding is done automatically by remote control inside the machines

d. The flux shelf prevents the arc from being visible to the operator during welding

A
  1. Why are vision filters not necessary for submerged arc welding?
    b. The welding arc is not visible because the shielding material hides them
58
Q
  1. What is lhe heating element in electroslag welding?

a. The electrode
b. The conductive slag
c. The base metal

d. The welding arc

A
  1. What is lhe heating element in electroslag welding?
    b. The conductive slag
59
Q
  1. What contains the molten pool of flux and weld metal in electroslag welding?

a. The depression of the joint
b. Water cooled copper retaining shoes
c. Molecular attraction of the solution in the pool

d. The flux shelf

A
  1. What contains the molten pool of flux and weld metal in electroslag welding?
    b. Water cooled copper retaining shoes
60
Q
  1. An electroslag weld is set up for consumable nozzle technique with poorly fitted molding shoes caulked with wet insulating material which the operator says will dry out from the heat of welding. What discontinuities may, nevertheless, be anticipated?

a. Slag inclusions and lamination
b. Overlap and inclusions
c. Worm hole porosity and overlap

d. None of the above

A
  1. An electroslag weld is set up for consumable nozzle technique with poorly fitted molding shoes caulked with wet insulating material which the operator says will dry out from the heat of welding. What discontinuities may, nevertheless, be anticipated?
    c. Worm hole porosity and overlap
61
Q
  1. What indication might reveal a defective arc stud weld?

a. A “dead” sound when tapped or a fracture
b. 360° flash
c. Stud bends ten degrees (10°) when struck

d. None of the above

A
  1. What indication might reveal a defective arc stud weld?
    a. A “dead” sound when tapped or a fracture
62
Q
  1. Of the following, which is not a necessary requirement for all welding processes?

a. Source of energy
b. Electricity
c. Means of shielding molten metal

d. None of the above

A
  1. Of the following, which is not a necessary requirement for all welding processes?
    b. Electricity
63
Q
  1. Which of the following is not a function of the flux coating of a SMAW electrode?

a. Insulating
b. Alloying
c. Deoxidation

d. Shielding
e. None of the above

A
  1. Which of the following is not a function of the flux coating of a SMAW electrode?

E. None of the above

a. Insulating
b. Alloying
c. Deoxidation

d. Shielding

64
Q
  1. In the AWS system of SMAW electrode designations, the next to the last number refers to:

a. Usability
b. Electrode coating
c. Position

d. Strength
e. None of the above

A
  1. In the AWS system of SMAW electrode designations, the next to the last number refers to:
    c. Position
65
Q
  1. Which of the following is an incorrect statement about a SMAW electrode designated as an E7024?

a. It is a low hydrogen type.
b. The weld deposit has a minimum tensile strength of 70,000 psi.
c. It is suitable for use in the flat (grooves and fillet) and horizontal (fillet) positions only.
d. All of the above
e. None of the above

A
  1. Which of the following is an incorrect statement about a SMAW electrode designated as an E7024?
    a. It is a low hydrogen type.
66
Q
  1. All except which of the following are essential parts of a typical SMAW system?

a. Constant current power supply
b. Wire feeder
c. Covered electrode
d. Electrode lead
e. Work lead

A
  1. All except which of the following are essential parts of a typical SMAW system?
    b. Wire feeder
67
Q
  1. Which of the following welding problems is the result of a distorted magnetic field which defects the welding arc?

a. Cracks
b. Short circuiting
c. Arc blow
d. Insufficient welding current
e. All of the above

A
  1. Which of the following welding problems is the result of a distorted magnetic field which defects the welding arc?
    c. Arc blow
68
Q
  1. Shielding of the molten metal in GMAW can be accomplished through the use of:

a. Granular flux
b. Inert gas
c. Reactive gas
d. “a” and 11b” above
e. “b” and “c” above

A
  1. Shielding of the molten metal in GMAW can be accomplished through the use of:

E. “b” and “c” above

b. Inert gas
c. Reactive gas

69
Q
  1. Which of the following is not considered a type of metal transfer for GMAW?

a. Short circuiting
b. Spray
c. Globular
d. Droplet
e. Pulsed arc

A
  1. Which of the following is not considered a type of metal transfer for GMAW?
    d. Droplet
70
Q
  1. Which of the following types of metal transfer in GMAW is considered to be the lowest energy, and therefore, prone to incomplete fusion?

a. Short circuiting
b. Spray
c. Globular
d. Droplet
e. Pulsed arc

A
  1. Which of the following types of metal transfer in GMAW is considered to be the lowest energy, and therefore, prone to incomplete fusion?
    a. Short circuiting
71
Q
  1. Which of the following shielding gases is not used for GMAW of carbon steel?

a. Carbon dioxide
b. Argon-Carbon dioxide
c. Helium/Argon/Carbon dioxide
d. Argon
e. None of the above

A
  1. Which of the following shielding gases is not used for GMAW of carbon steel?
    d. Argon
72
Q
  1. In the electrode designation system for FCAW, the second number refers to:

a. Strength
b. Position
c. Chemical composition
d. Usability
e. None of the above

A
  1. In the electrode designation system for FCAW, the second number refers to:
    b. Position
73
Q
  1. Which of !he following is not always an essential element of a FCAW system?

a. Constant voltage or constant current
b. Tubular electrode
c. Wire feeder
d. Shielding gas
e. Work piece lead

A
  1. Which of !he following is not always an essential element of a FCAW system?
    d. Shielding gas
74
Q
  1. Shielding for the GTAW and PAW processes is accomplished through the use of:

a. Granular flux
b. Slag
c. Inert gas
d. Reactive gas
e. None of the above

A
  1. Shielding for the GTAW and PAW processes is accomplished through the use of:
    c. Inert gas
75
Q
  1. A green stripe on a tungsten electrode designates:

a. Pure tungsten
b. 1 % Thoriated tungsten
c. 2% Thoriated tungsten
d. Zirconated tungsten
e. None of the above

A
  1. A green stripe on a tungsten electrode designates:
    a. Pure tungsten
76
Q
  1. SAW and ESW are similar in that:

a. Both are arc welding processes
b. Both utilize shielding gases
c. Both utilize a granular flux
d. “a11 and “b” above
e. “a” and “c” above

A
  1. SAW and ESW are similar in that:
    c. Both utilize a granular flux
77
Q
  1. Solidification cracking due to improper width-to-depth ratio of the weld nugget may be a problem with which welding process?

a. OFW
b. SW
c. SAW
d. All of the above
e. None of the above

A
  1. Solidification cracking due to improper width-to-depth ratio of the weld nugget may be a problem with which welding process?
    c. SAW
78
Q
  1. Which of the following processes are typically utilized only in the flat position unless a special apparatus is employed?

a. GMAW
b. SAW
c. ESW
d. “a” and “b11 above
e. None of the above

A
  1. Which of the following processes are typically utilized only in the flat position unless a special apparatus is employed?
    b. SAW
79
Q
  1. Which of the following are not common to both GTAW and PAW?

a. Nonconsumable tungsten electrode
b. Copper constricting nozzle
c. Shielding gas nozzle
d. Externally-applied filler metal
e. None of the above

A
  1. Which of the following are not common to both GTAW and PAW?
    b. Copper constricting nozzle
80
Q
  1. What technique is employed with PAW to produce full penetration welds?

a. Stringer beads
b. Weave beads
c. Keyhole
d. Backstep
e. None of the above

A
  1. What technique is employed with PAW to produce full penetration welds?
    c. Keyhole
81
Q
  1. What welding process produces welds in the flat position, in a single pass, with the progression vertically upward along the joint?

a. SAW
b. ESW

c. FCAW

d. “a” and “b” above
e. “a” and “c” above

A
  1. What welding process produces welds in the flat position, in a single pass, with the progression vertically upward along the joint?
    b. ESW
82
Q
  1. Which of the following is not an advantage of the ESW process?

a. High deposition rate
b. Ease of setup
c. Capable of joining thick sections
d. No tendency for angular distortion
e. None of the above

A
  1. Which of the following is not an advantage of the ESW process?
    b. Ease of setup
83
Q
  1. Which arc welding process provides a very efficient means of joining attachments to some planar surface?

a. OAW
b. SW

c. GMAW

d. GTAW
e. SMAW

A
  1. Which arc welding process provides a very efficient means of joining attachments to some planar surface?
    b. SW
84
Q
  1. Brazing differs from welding in that:

a. No filler metal is used.
b. An oxyfuel flame is used
c. The base metal is not melted
d. All of the above
e. None of the above

A
  1. Brazing differs from welding in that:
    c. The base metal is not melted
85
Q
  1. For satisfactory results, a braze joint should have:

a. A large surface area
b. A small gap between pieces to be joined
c. A precise bevel
d. “a” and “b” above
e. “b” and “c” above

A
  1. For satisfactory results, a braze joint should have:

D. “a” and “b” above

a. A large surface area
b. A small gap between pieces to be joined

86
Q
  1. Which of the following is not an advantage of brazing?

a. Ease of joining thick sections
b. Ability to join dissimilar metals
c. Ability to join thin sections
d. “a” and “b” above
e. “a” and “c” above

A
  1. Which of the following is not an advantage of brazing?
    a. Ease of joining thick sections
87
Q
  1. Of the following metals, which cannot be effectively cut using OFC?

a. High carbon steel
b. Low carbon steel
c. Medium carbon steel
d. Stainless steel
e. None of the above

A
  1. Of the following metals, which cannot be effectively cut using OFC?
    d. Stainless steel
88
Q
  1. Which of the following cutting processes can be used to cut any metal that conducts electricity?
    a. OFC
    b. CAC-A
    c. PAC

d. “a” and “b” above
e. “b” and “c” above

A
  1. Which of the following cutting processes can be used to cut any metal that conducts electricity?

E. “b” and “c” above

b. CAC-A
c. PAC

89
Q
  1. The width of a cut is technically referred to as the:

a. Gap
b. Dross
c. Kerf
d. Drag
e. None of the above

A
  1. The width of a cut is technically referred to as the:
    c. Kerf
90
Q

90

DELETE

A

a

91
Q

91

DELETE

A

a

92
Q

92

DELETE

A

a

93
Q
  1. SMAW designates which process?

a. Stick metal arc welding
b. Shielded metal arc welding
c. Submerged arc welding
d. Seam metal arc welding
e. Short circuiting metal arc welding

A
  1. SMAW designates which process?
    b. Shielded metal arc welding
94
Q
  1. SAW designates which process?

a. Stud welding
b. Stud arc welding

c. Submerged welding
d. Stick welding
e. Submerged arc welding

A
  1. SAW designates which process?
    e. Submerged arc welding
95
Q
  1. FCAW designates which process?
    a. Flux cored arc welding
    b. Flux centered arc welding
    c. Furnace controlled arc welding
    d. Friction arc welding
    e. Flow arc welding
A
  1. FCAW designates which process?
    a. Flux cored arc welding
96
Q
  1. GMAW designates which process?
    a. Gas machine arc welding
    b. Gas method arc welding
    c. Gas material arc welding
    d. Gas metal arc welding
A
  1. GMAW designates which process?
    d. Gas metal arc welding
97
Q
  1. GTAW designates which process?

a. Gas tungsten arc welding
b. General tungsten arc welding

c. Globular transfer arc welding
d. Gas torch arc welding

A
  1. GTAW designates which process?
    a. Gas tungsten arc welding
98
Q
  1. An E70T-6 electrode can be deposited using which process?

a. FCAW
b. SAW

c. ESW

d. All of the above
e. None of the above

A
  1. An E70T-6 electrode can be deposited using which process?
    a. FCAW
99
Q
  1. ER70S-6 filler material can be used with which of these processes?

a. GTAW
b. GMAW

C. PAW
d. All of the above

A
  1. ER70S-6 filler material can be used with which of these processes?

D. All of the above

a. GTAW
b. GMAW

C. PAW

100
Q
  1. A granular flux is a characteristic of which of the following?

a. ESW
b. GMAW

c. PAW
d. LBW

A
  1. A granular flux is a characteristic of which of the following?
    a. ESW
101
Q
  1. Which of the classifications listed below produces the strongest weld metal?

a. ER70S-6
b. E71T-5

c. E7018

d. F7A2-EM12K
e. No difference

A
  1. Which of the classifications listed below produces the strongest weld metal?

E. No difference

102
Q
  1. Which cutting methods utilize electricity?

a. PAC
b. CAC-A

c. OAC

d. “a” and “b” above
e. “b” and “c” above

A
  1. Which cutting methods utilize electricity?

D. “a” and “b” above

a. PAC
b. CAC-A

103
Q
  1. A tubular electrode is a significant characteristic of which process?

a. SAW
b. ESW
c. FCAW
d. SMAW
e. GMAW

A
  1. A tubular electrode is a significant characteristic of which process?
    c. FCAW
104
Q
  1. Which arc welding process is utilized very effectively for the welding of various types of attachments to the surface of plates and structural members?

a. SMAW
b. GMAW
c. FCAW
d. SW
e. ESW

A
  1. Which arc welding process is utilized very effectively for the welding of various types of attachments to the surface of plates and structural members?
    d. SW
105
Q
  1. Short circuiting metal transfer is a mode of operation for:

a. GTAW
b. FCAW

c. SMAW

d. All of the above
e. None of the above

A
  1. Short circuiting metal transfer is a mode of operation for:
    e. None of the above
106
Q
  1. The need for electrode holding ovens for some types of filler metal is a disadvantage of which process below?

a. SMAW
b. FCAW
c. SAW
d. OFW
e. ESW

A
  1. The need for electrode holding ovens for some types of filler metal is a disadvantage of which process below?
    a. SMAW
107
Q
  1. Which process utilizes a carbon electrode surrounded by a copper sheath?

a. SMAW
b. GMAW

c. GTAW

d. CAC-A
e. PAC

A
  1. Which process utilizes a carbon electrode surrounded by a copper sheath?
    d. CAC-A
108
Q
  1. EWTh-1 is an electrode designation for which of those processes listed below?

a. GTAW
b. PAW
c. GMAW
d. “a” and “b” above
e. “b” and ‘‘c” above

A
  1. EWTh-1 is an electrode designation for which of those processes listed below?

D. “a” and “b” above

a. GTAW
b. PAW

109
Q
  1. The ability to easily join dissimilar metals is an advantage

a. GTAW
b. PAW
c. FB
d. OAW
e. SMAW

A
  1. The ability to easily join dissimilar metals is an advantage
    c. FB
110
Q
  1. Which of the following types of electrodes would not be recommended for the welding of circumferential pipe welds in a field environment and positioned in the 5G position?

a. E6010
b. E7018

c. E8018

d. E7028
e. E7010

A
  1. Which of the following types of electrodes would not be recommended for the welding of circumferential pipe welds in a field environment and positioned in the 5G position?
    d. E7028
111
Q
  1. The ability to perform keyhole welding is a primary advantage of:

a. GTAW
b. PAW

d. SMAW

d. FCAW
e. SAW

A
  1. The ability to perform keyhole welding is a primary advantage of:
    b. PAW
112
Q
  1. Which gases can be used for OFW?

a. MAPP
b. Acetylene
c. Natural gas
d. Propane
e. All of the above

A
  1. Which gases can be used for OFW?
    b. Acetylene
113
Q
  1. Which gases below can be used for TB?

a. Acetylene
b. Oxygen
c. Natural gas
d. Propane
e. All of the above

A
  1. Which gases below can be used for TB?

E. All of the above

a. Acetylene
b. Oxygen
c. Natural gas
d. Propane

114
Q
  1. A ferrule is an item used for shielding in which process below?

a. ESW
b. PAW

c. PAC

d. SW
e. FB

A
  1. A ferrule is an item used for shielding in which process below?
    d. SW
115
Q
  1. A constricting nozzle is one of !he compommls for which welding process?

a. PAW
b. GTAW
c. SAW
d. GMAW

e. SW

A
  1. A constricting nozzle is one of !he compommls for which welding process?
    a. PAW
116
Q
  1. What gases can be utilized for GMAW?

a. Carbon dioxide
b. Argon
c. 75% Argon – 25% Carbon dioxide
d. 98% Argon - 2% Oxygen
e. All of the above

A
  1. What gases can be utilized for GMAW?

E. All of the above

a. Carbon dioxide
b. Argon
c. 75% Argon – 25% Carbon dioxide
d. 98% Argon - 2% Oxygen

117
Q
  1. The process which can be utilized either with or without an external shielding gas is:

a. GMAW
b. SMAW

c. FCAW

d. GTAW
e. PAW

A
  1. The process which can be utilized either with or without an external shielding gas is:
    c. FCAW
118
Q
  1. Which of the welding processes below is generally considered to provide the highest deposition rate?

a. SAW
b. ESW
c. FCAW
d. SMAW
e. GMAW

A
  1. Which of the welding processes below is generally considered to provide the highest deposition rate?
    b. ESW
119
Q
  1. When welding carbon steel with the OAW process, the torch should be adjusted to provide:

a. An oxidizing flame
b. A carburizing flame
c. A neutral flame
d. A heating flame
e. A reducing flame

A
  1. When welding carbon steel with the OAW process, the torch should be adjusted to provide:
    c. A neutral flame
120
Q
  1. A contact tube is a component used in:

a. GMAW
b. FCAW

c. SAW

d. All of the above
e. Both a and b above

A
  1. A contact tube is a component used in:

D. All of the above

a. GMAW
b. FCAW

c. SAW

121
Q
  1. What processes can be used to efficiently cut austenitic stainless steels?

a. PAC
b. CAC-A
c. OFC

d. “a” and “b” above
e. “b” and “c” above

A
  1. What processes can be used to efficiently cut austenitic stainless steels?

D. “a” and “b” above

a. PAC
b. CAC-A
c. OFC

122
Q
  1. The requirement for two (2) separately-supplied gases is a characteristic of which welding process?

a. GTAW
b. GMAW

c. FCAW
d. PAW
e. SW

A
  1. The requirement for two (2) separately-supplied gases is a characteristic of which welding process?
    d. PAW
123
Q
  1. Which of the following processes utilize a flux to provide necessary shielding?

a. SMAW
b. SAW

c. TB

d. “a” and “b” above
e. All of the above

A
  1. Which of the following processes utilize a flux to provide necessary shielding?

D. “a” and “b” above

a. SMAW
b. SAW

124
Q
  1. Which of the following is another term for a “caulking weld”?

a. Putty weld
b. Bonda weld
c. Seal weld
d. None of the above

A
  1. Which of the following is another term for a “caulking weld”?
    c. Seal weld
125
Q
  1. Which of the following shade lens should be worn when performing OFC?

a. No lens is required
b. 2

c. 3
d. 4-5

A
  1. Which of the following shade lens should be worn when performing OFC?
    d. 4-5
126
Q
  1. Which statement below correctly describes “Transition Current”?

a. Increasing current when using GMAW to change transfer mode from globular to spray
b. Decreasing current when using FCAW to change transfer mode from globular to spray
c. Increasing current when using FCAW to change transfer mode from globular to spray
d. Decreasing current when using GMAW to change transfer mode from globular to spray

A
  1. Which statement below correctly describes “Transition Current”?
    a. Increasing current when using GMAW to change transfer mode from globular to spray
127
Q
  1. When Carbon Arc Welding (CAW) was used, the process could be performed:

a. Manually
b. Mechanized
c. Automatically
d. Semiautomatically

A
  1. When Carbon Arc Welding (CAW) was used, the process could be performed:
    a. Manually
128
Q
  1. Which of the following mechanical tests is used to test brazed joints?

a. Peel test
b. Tension test
c. lzod test
d. Charpy V Notch test

A
  1. Which of the following mechanical tests is used to test brazed joints?
    a. Peel test
129
Q
  1. When performing Air Carbon Arc Cutting (CAC-A), cutting may be:

a. Performed manually
b. Mechanized
c. Performed automatically
d. Either a or b

A
  1. When performing Air Carbon Arc Cutting (CAC-A), cutting may be:

D. Either a or b

a. Performed manually
b. Mechanized

130
Q
  1. Which of the following materials will usually be welded using a tri-mix gas and the GMAW process?

a. Stainless stel
b. Copper nickel
c. Carbon steel
d. Both a and c
e. All of the above

A
  1. Which of the following materials will usually be welded using a tri-mix gas and the GMAW process?
    a. Stainless stel
131
Q
  1. Changing from DCEP to AC when using SAW process will provide which of !he following?

a. Decrease arc blow
b. Increase wire feed
c. Increase arc voltage
d. “a” and 0b” above
e. All of the above

A
  1. Changing from DCEP to AC when using SAW process will provide which of !he following?
    a. Decrease arc blow
132
Q
  1. Which of the following is not recognized by AWS as a method for soldering?

a. Iron soldering
b. Gun soldering
c. Cold soldering
d. None of the above

A
  1. Which of the following is not recognized by AWS as a method for soldering?
    c. Cold soldering
133
Q
  1. The duty cycle of the SAW equipment should be?

a. 70%
b. 80%

c. 100%
d. Not important to the SAW process

A
  1. The duty cycle of the SAW equipment should be?
    c. 100%
134
Q

ANSWER SHEET

A

CWI Prep Tests (32 decks)

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