CWB 2 VISUAL WELD INSPECTOR EXAM
QUESTIONS WITH 100% ACCURATE ANSWERS
CWB
STUDYGLOBAL 5/14/25 CWB
,A consumable electrode is: - Accurate answers AN electrode which melts and provides metal to fill
the joint
The weld heat affected zone is: - Accurate answers 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 - Accurate answers 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 - Accurate answers increases as the square of the current causing
smaller and smaller droplets to be detached
The electric current for welding must be transformed from - Accurate answers High voltage, low
amperage to low voltage, high amperage
The major advantage of electron beam welding process is - Accurate answers full penetration
welds on thick material in one pass
The progress of welding with Electroslag welding process is - Accurate answers Vertical up
Explosion welding - Accurate answers 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 - Accurate answers joining of rails
Welding without filler metal with GTAW process is referred to as - Accurate answers autogenous
welding
A typical weld flaw associated with GTAW process is - Accurate answers porosity
SMAW power sources typically have a volt-ampere curve that is - Accurate answers 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 - Accurate answers 4 hours
Shielded Metal ARC Welding (SMAW) process - Accurate answers establishes an arc between the
end of a covered electrode and the work piece.
The spray mode of metal transfer is achieved with - Accurate answers high amperage, high voltage
and argon-rich shielding gas
digital wire feeders - Accurate answers have feedback systems to maintain the preset wire feed
speed
,wire designated by CSA standard W48 as an E491T-9MJ-H8 - Accurate answers Results in weld
deposit with a maximum of 8 ml diffusible hydrogen per 100 g of weld metal
Self shield flux cored wires are - Accurate answers better able to tolerate air currents
The AWS classes metal cored wire along with - Accurate answers solid wires
SAW Fluxes that significantly influence the composition of the weld metal through slag/metal reactions
are called - Accurate answers active
Resistance welding of aluminum - Accurate answers 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 -
Accurate answers GTAW
For a flat weld profile and good penetration profile using the MCAW process - Accurate answers 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
- Accurate answers decreasing tip to work distance without adjusting any other variable will cause
a increase in deposition rate
Electrode stick out is measured - Accurate answers From tip of nozzle to end of electrode
Contact tip-to-work is the sum (CTTW) - Accurate answers of the electrode extension and arc
length
Increasing electrical sickout - Accurate answers 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 - Accurate answers Spray transfer
Which welding process for GMAW has excessive spatter - Accurate answers Globular transfer
Which welding process for GMAW usually has lack of fusion - Accurate answers Short Circuit
what electrodes never go in holding or baking oven - Accurate answers cellulosic
Submerged Arc Welding disadvantage - Accurate answers Requires inter-pass and post weld slag
removal
What welding process has the greatest HAZ - Accurate answers Electroslag
GTAW when a BALL is formed on Tungsten - Accurate answers Aluminum
Which welding process can be done outside Earth's atmosphere - Accurate answers Diffusion
, With tungsten arc, most of the current across the arc is carried by - Accurate answers electrons
Electrode beam welding has - Accurate answers a very narrow weld and heat affected zone
Which gases are used with the GMAW process - Accurate answers argon and CO2 and their
mixtures in various proportions
Which welding process is non-consumable electrode process - Accurate answers GTAW
Which shielding gas does GMAW use for spray transfer - Accurate answers 95% Argon and 5% CO2
The deposition rate of SMAW electrodes is increased by including - Accurate answers Iron Power
Electrode in Flux cored are welding is - Accurate answers Tubular wire containing flux or other
ingredients
What welding process is not used in overhead position - Accurate answers SAW (Submerged Arc
Welding
SAW Fluxes that significantly influence the composition of the weld metal through slag/metal reactions
are called - Accurate answers are classified in conjunction with welding wire forming a flux
designation
A welding arc consists of a - Accurate answers high current and low voltage
The heat of the welding arc is used to - Accurate answers locally melt the base material and filler
material to create fusion upon solidification
Welding using GTAW process with current set to DCEN - Accurate answers 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 - Accurate answers
provide a gas shield, slag covering, scavengers, arc stabilization and additional alloying elements
The temperature for holding low hydrogen electrodes - Accurate answers 120 C
The GMAW process uses (Blank) to shield the molten weld from the atmosphere - Accurate answers
external shielding gas
The flux cored arc welding is an arc welding process usually in the semi-automatic mode, consisting of: -
Accurate answers 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 - Accurate answers
Either heat or pressure
Name the two main methods of arc shielding - Accurate answers flux shielding and gas shielding
QUESTIONS WITH 100% ACCURATE ANSWERS
CWB
STUDYGLOBAL 5/14/25 CWB
,A consumable electrode is: - Accurate answers AN electrode which melts and provides metal to fill
the joint
The weld heat affected zone is: - Accurate answers 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 - Accurate answers 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 - Accurate answers increases as the square of the current causing
smaller and smaller droplets to be detached
The electric current for welding must be transformed from - Accurate answers High voltage, low
amperage to low voltage, high amperage
The major advantage of electron beam welding process is - Accurate answers full penetration
welds on thick material in one pass
The progress of welding with Electroslag welding process is - Accurate answers Vertical up
Explosion welding - Accurate answers 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 - Accurate answers joining of rails
Welding without filler metal with GTAW process is referred to as - Accurate answers autogenous
welding
A typical weld flaw associated with GTAW process is - Accurate answers porosity
SMAW power sources typically have a volt-ampere curve that is - Accurate answers 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 - Accurate answers 4 hours
Shielded Metal ARC Welding (SMAW) process - Accurate answers establishes an arc between the
end of a covered electrode and the work piece.
The spray mode of metal transfer is achieved with - Accurate answers high amperage, high voltage
and argon-rich shielding gas
digital wire feeders - Accurate answers have feedback systems to maintain the preset wire feed
speed
,wire designated by CSA standard W48 as an E491T-9MJ-H8 - Accurate answers Results in weld
deposit with a maximum of 8 ml diffusible hydrogen per 100 g of weld metal
Self shield flux cored wires are - Accurate answers better able to tolerate air currents
The AWS classes metal cored wire along with - Accurate answers solid wires
SAW Fluxes that significantly influence the composition of the weld metal through slag/metal reactions
are called - Accurate answers active
Resistance welding of aluminum - Accurate answers 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 -
Accurate answers GTAW
For a flat weld profile and good penetration profile using the MCAW process - Accurate answers 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
- Accurate answers decreasing tip to work distance without adjusting any other variable will cause
a increase in deposition rate
Electrode stick out is measured - Accurate answers From tip of nozzle to end of electrode
Contact tip-to-work is the sum (CTTW) - Accurate answers of the electrode extension and arc
length
Increasing electrical sickout - Accurate answers 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 - Accurate answers Spray transfer
Which welding process for GMAW has excessive spatter - Accurate answers Globular transfer
Which welding process for GMAW usually has lack of fusion - Accurate answers Short Circuit
what electrodes never go in holding or baking oven - Accurate answers cellulosic
Submerged Arc Welding disadvantage - Accurate answers Requires inter-pass and post weld slag
removal
What welding process has the greatest HAZ - Accurate answers Electroslag
GTAW when a BALL is formed on Tungsten - Accurate answers Aluminum
Which welding process can be done outside Earth's atmosphere - Accurate answers Diffusion
, With tungsten arc, most of the current across the arc is carried by - Accurate answers electrons
Electrode beam welding has - Accurate answers a very narrow weld and heat affected zone
Which gases are used with the GMAW process - Accurate answers argon and CO2 and their
mixtures in various proportions
Which welding process is non-consumable electrode process - Accurate answers GTAW
Which shielding gas does GMAW use for spray transfer - Accurate answers 95% Argon and 5% CO2
The deposition rate of SMAW electrodes is increased by including - Accurate answers Iron Power
Electrode in Flux cored are welding is - Accurate answers Tubular wire containing flux or other
ingredients
What welding process is not used in overhead position - Accurate answers SAW (Submerged Arc
Welding
SAW Fluxes that significantly influence the composition of the weld metal through slag/metal reactions
are called - Accurate answers are classified in conjunction with welding wire forming a flux
designation
A welding arc consists of a - Accurate answers high current and low voltage
The heat of the welding arc is used to - Accurate answers locally melt the base material and filler
material to create fusion upon solidification
Welding using GTAW process with current set to DCEN - Accurate answers 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 - Accurate answers
provide a gas shield, slag covering, scavengers, arc stabilization and additional alloying elements
The temperature for holding low hydrogen electrodes - Accurate answers 120 C
The GMAW process uses (Blank) to shield the molten weld from the atmosphere - Accurate answers
external shielding gas
The flux cored arc welding is an arc welding process usually in the semi-automatic mode, consisting of: -
Accurate answers 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 - Accurate answers
Either heat or pressure
Name the two main methods of arc shielding - Accurate answers flux shielding and gas shielding
