CWB 2 Visual Weld Inspector Exam Questions
and Answers | Latest Test Bank with Verified
Solutions | A+ Pass Guaranteed
• The weld heat affected zone is: -✓✓the portion of the base metal adjacent to the weld
metal whose properties have been changed due to the heat of welding
• When an arc is formed between two electrodes -✓✓electricity flows from negative
cathode to positive anode
• The magnetic pinch force helps in the process of the detaching the molten metal drops
from the electrode tip. The magnetic force -✓✓increases as the square of the current
causing smaller and smaller droplets to be detached
• The electric current for welding must be transformed from -✓✓High voltage, low
amperage to low voltage, high amperage
• The major advantage of electron beam welding process is -✓✓full penetration welds
on thick material in one pass
• The progress of welding with Electroslag welding process is -✓✓Vertical up
• Explosion welding -✓✓is solid state process in which coalescence is produced through
high speed impacting of two or more materials by controlled detonation
• A typical application for thermite welding is -✓✓joining of rails
• Welding without filler metal with GTAW process is referred to as -✓✓autogenous
welding
• A typical weld flaw associated with GTAW process is -✓✓porosity
• SMAW power sources typically have a volt-ampere curve that is -✓✓drooping
• Once a box of E49XX low hydrogen electrodes has been opened the electrodes may
remain at ambient temperature for up to a maximum of -✓✓4 hours
• Shielded Metal ARC Welding (SMAW) process -✓✓establishes an arc between the
end of a covered electrode and the work piece.
,• The spray mode of metal transfer is achieved with -✓✓high amperage, high voltage
and argon-rich shielding gas
• digital wire feeders -✓✓have feedback systems to maintain the preset wire feed speed
• wire designated by CSA standard W48 as an E491T-9MJ-H8 -✓✓Results in weld
deposit with a maximum of 8 ml diffusible hydrogen per 100 g of weld metal
• Self shield flux cored wires are -✓✓better able to tolerate air currents
• The AWS classes metal cored wire along with -✓✓solid wires
• SAW Fluxes that significantly influence the composition of the weld metal through
slag/metal reactions are called -✓✓active
• Resistance welding of aluminum -✓✓Can be done but with greater difficulty due to its
low resistivity
• The plasma arc welding process is similar to what other welding process in principles
of operation -✓✓GTAW
• For a flat weld profile and good penetration profile using the MCAW process -✓✓15
degree travel angle using push technique should be used
• What is the effect of tip to work distance (electrical sickout on deposition rate of
submerged are welding -✓✓decreasing tip to work distance without adjusting any other
variable will cause a increase in deposition rate
• Electrode stick out is measured -✓✓From tip of nozzle to end of electrode
• Contact tip-to-work is the sum (CTTW) -✓✓of the electrode extension and arc length
• Increasing electrical sickout -✓✓decreases voltage, decreases current and increases
resistance
• Which welding process for GMAW has large weld pool and is rather large and difficult
to control out of position -✓✓Spray transfer
• Which welding process for GMAW has excessive spatter -✓✓Globular transfer
• Which welding process for GMAW usually has lack of fusion -✓✓Short Circuit
• what electrodes never go in holding or baking oven -✓✓cellulosic
,• Submerged Arc Welding disadvantage -✓✓Requires inter-pass and post weld slag
removal
• What welding process has the greatest HAZ -✓✓Electroslag
• GTAW when a BALL is formed on Tungsten -✓✓Aluminum
• Which welding process can be done outside Earth's atmosphere -✓✓Diffusion
• With tungsten arc, most of the current across the arc is carried by -✓✓electrons
• Electrode beam welding has -✓✓a very narrow weld and heat affected zone
• Which gases are used with the GMAW process -✓✓argon and CO2 and their mixtures
in various proportions
• Which welding process is non-consumable electrode process -✓✓GTAW
• Which shielding gas does GMAW use for spray transfer -✓✓95% Argon and 5% CO2
• The deposition rate of SMAW electrodes is increased by including -✓✓Iron Power
• Electrode in Flux cored are welding is -✓✓Tubular wire containing flux or other
ingredients
• What welding process is not used in overhead position -✓✓SAW (Submerged Arc
Welding
• SAW Fluxes that significantly influence the composition of the weld metal through
slag/metal reactions are called -✓✓are classified in conjunction with welding wire
forming a flux designation
• A welding arc consists of a -✓✓high current and low voltage
• The heat of the welding arc is used to -✓✓locally melt the base material and filler
material to create fusion upon solidification
• Welding using GTAW process with current set to DCEN -✓✓30% arc heat at the
electrode and 70% arc heat at the work
• The function of the ingredients in the electrode coating of SMAW electrodes is to -
✓✓provide a gas shield, slag covering, scavengers, arc stabilization and additional
alloying elements
, • The temperature for holding low hydrogen electrodes -✓✓120 C
• The GMAW process uses (Blank) to shield the molten weld from the atmosphere -
✓✓external shielding gas
• The flux cored arc welding is an arc welding process usually in the semi-automatic
mode, consisting of: -✓✓A constant current power supply, a continuous speed wire
feeder, a welding gun, and a continuous filler metal electrode with a hallow core
containing flux and other ingredients
• Welding is process a joining process that by definition requires application of -
✓✓Either heat or pressure
• Name the two main methods of arc shielding -✓✓flux shielding and gas shielding
• Which direction do the electrons flow in an electrical are -✓✓Cathode to anode
• In are welding, the electric are is intensely hot with temperature exceeding -✓✓30,000
C
• How does the arc voltage and arc stiffness change when the arc length is increased -
✓✓Arc voltage increases and arc stiffness decreases
• What type of penetration and weld width can be expected when using DC positive
(GTAW) -✓✓Shallow penetration and a wide weld
• Which polarity is chosen most often for direct current GTAW welding of steels and why
-✓✓Direct current electrode negative. More heat is produced at the work piece leading
to deeper weld penetration
• Why must shielding gas for GTAW be completely inert -✓✓Presence of active gases
like oxygen and carbon dioxide the tungsten electrode and the limit its life.
• Two advantages of GTAW process -✓✓It gives high quality deposits, and the process
can be used to weld virtually all metals and alloys
• Why is SMAW a very commonly used welding process -✓✓It provides great flexibility
in terms of the broad range of materials and their thicknesses that can be joined in all
welding positions
• SMAW uses constant current or constant voltage -✓✓constant current
and Answers | Latest Test Bank with Verified
Solutions | A+ Pass Guaranteed
• The weld heat affected zone is: -✓✓the portion of the base metal adjacent to the weld
metal whose properties have been changed due to the heat of welding
• When an arc is formed between two electrodes -✓✓electricity flows from negative
cathode to positive anode
• The magnetic pinch force helps in the process of the detaching the molten metal drops
from the electrode tip. The magnetic force -✓✓increases as the square of the current
causing smaller and smaller droplets to be detached
• The electric current for welding must be transformed from -✓✓High voltage, low
amperage to low voltage, high amperage
• The major advantage of electron beam welding process is -✓✓full penetration welds
on thick material in one pass
• The progress of welding with Electroslag welding process is -✓✓Vertical up
• Explosion welding -✓✓is solid state process in which coalescence is produced through
high speed impacting of two or more materials by controlled detonation
• A typical application for thermite welding is -✓✓joining of rails
• Welding without filler metal with GTAW process is referred to as -✓✓autogenous
welding
• A typical weld flaw associated with GTAW process is -✓✓porosity
• SMAW power sources typically have a volt-ampere curve that is -✓✓drooping
• Once a box of E49XX low hydrogen electrodes has been opened the electrodes may
remain at ambient temperature for up to a maximum of -✓✓4 hours
• Shielded Metal ARC Welding (SMAW) process -✓✓establishes an arc between the
end of a covered electrode and the work piece.
,• The spray mode of metal transfer is achieved with -✓✓high amperage, high voltage
and argon-rich shielding gas
• digital wire feeders -✓✓have feedback systems to maintain the preset wire feed speed
• wire designated by CSA standard W48 as an E491T-9MJ-H8 -✓✓Results in weld
deposit with a maximum of 8 ml diffusible hydrogen per 100 g of weld metal
• Self shield flux cored wires are -✓✓better able to tolerate air currents
• The AWS classes metal cored wire along with -✓✓solid wires
• SAW Fluxes that significantly influence the composition of the weld metal through
slag/metal reactions are called -✓✓active
• Resistance welding of aluminum -✓✓Can be done but with greater difficulty due to its
low resistivity
• The plasma arc welding process is similar to what other welding process in principles
of operation -✓✓GTAW
• For a flat weld profile and good penetration profile using the MCAW process -✓✓15
degree travel angle using push technique should be used
• What is the effect of tip to work distance (electrical sickout on deposition rate of
submerged are welding -✓✓decreasing tip to work distance without adjusting any other
variable will cause a increase in deposition rate
• Electrode stick out is measured -✓✓From tip of nozzle to end of electrode
• Contact tip-to-work is the sum (CTTW) -✓✓of the electrode extension and arc length
• Increasing electrical sickout -✓✓decreases voltage, decreases current and increases
resistance
• Which welding process for GMAW has large weld pool and is rather large and difficult
to control out of position -✓✓Spray transfer
• Which welding process for GMAW has excessive spatter -✓✓Globular transfer
• Which welding process for GMAW usually has lack of fusion -✓✓Short Circuit
• what electrodes never go in holding or baking oven -✓✓cellulosic
,• Submerged Arc Welding disadvantage -✓✓Requires inter-pass and post weld slag
removal
• What welding process has the greatest HAZ -✓✓Electroslag
• GTAW when a BALL is formed on Tungsten -✓✓Aluminum
• Which welding process can be done outside Earth's atmosphere -✓✓Diffusion
• With tungsten arc, most of the current across the arc is carried by -✓✓electrons
• Electrode beam welding has -✓✓a very narrow weld and heat affected zone
• Which gases are used with the GMAW process -✓✓argon and CO2 and their mixtures
in various proportions
• Which welding process is non-consumable electrode process -✓✓GTAW
• Which shielding gas does GMAW use for spray transfer -✓✓95% Argon and 5% CO2
• The deposition rate of SMAW electrodes is increased by including -✓✓Iron Power
• Electrode in Flux cored are welding is -✓✓Tubular wire containing flux or other
ingredients
• What welding process is not used in overhead position -✓✓SAW (Submerged Arc
Welding
• SAW Fluxes that significantly influence the composition of the weld metal through
slag/metal reactions are called -✓✓are classified in conjunction with welding wire
forming a flux designation
• A welding arc consists of a -✓✓high current and low voltage
• The heat of the welding arc is used to -✓✓locally melt the base material and filler
material to create fusion upon solidification
• Welding using GTAW process with current set to DCEN -✓✓30% arc heat at the
electrode and 70% arc heat at the work
• The function of the ingredients in the electrode coating of SMAW electrodes is to -
✓✓provide a gas shield, slag covering, scavengers, arc stabilization and additional
alloying elements
, • The temperature for holding low hydrogen electrodes -✓✓120 C
• The GMAW process uses (Blank) to shield the molten weld from the atmosphere -
✓✓external shielding gas
• The flux cored arc welding is an arc welding process usually in the semi-automatic
mode, consisting of: -✓✓A constant current power supply, a continuous speed wire
feeder, a welding gun, and a continuous filler metal electrode with a hallow core
containing flux and other ingredients
• Welding is process a joining process that by definition requires application of -
✓✓Either heat or pressure
• Name the two main methods of arc shielding -✓✓flux shielding and gas shielding
• Which direction do the electrons flow in an electrical are -✓✓Cathode to anode
• In are welding, the electric are is intensely hot with temperature exceeding -✓✓30,000
C
• How does the arc voltage and arc stiffness change when the arc length is increased -
✓✓Arc voltage increases and arc stiffness decreases
• What type of penetration and weld width can be expected when using DC positive
(GTAW) -✓✓Shallow penetration and a wide weld
• Which polarity is chosen most often for direct current GTAW welding of steels and why
-✓✓Direct current electrode negative. More heat is produced at the work piece leading
to deeper weld penetration
• Why must shielding gas for GTAW be completely inert -✓✓Presence of active gases
like oxygen and carbon dioxide the tungsten electrode and the limit its life.
• Two advantages of GTAW process -✓✓It gives high quality deposits, and the process
can be used to weld virtually all metals and alloys
• Why is SMAW a very commonly used welding process -✓✓It provides great flexibility
in terms of the broad range of materials and their thicknesses that can be joined in all
welding positions
• SMAW uses constant current or constant voltage -✓✓constant current
