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Alberta welding first year final important stuff
Questions with Detailed Verified Answers
how are elbows drawn on piping isometrics? Ans: with either rounded
or square corners
purpose of coping structural member Ans: to make it fit into another
member
piping drawings should be used when clarity is needed Ans: double line
piping bridles are used for Ans: to show liquid levels in vessels
which drawing indicates the location of a structure on a building Ans:
site plans
what is a mitre cut? Ans: an angle cut made to match another angled
member
two types of flanges Ans: C and S
cutting the flange on a beam to narrow its width is known as Ans:
Blocking
which drawing provides complete information for fabrication of parts?
Ans: assembly drawing
which drawing show the location of major structural components? Ans:
engineering
which piping symbol is represented Ans: eccentric reducer
, Page | 2
what does AWS stand for? Ans: American Welding Society
what is helix? Ans: a cork screw effect exhibited by a ring of filler wire
purpose of a copper Finnish on GMAW wire? Ans: add a degree of
corrosion resistance
why is silicon, aluminum, and manganese added to GMAW filler wire?
Ans: deoxiders
what is the primary factor in choosing filler wire? Ans: match the base
metal composition
how should wire consumables be store? Ans: in containers until
required
when using FCAW the flux is located? Ans: inside the wire itself
what is the function of flux in FCAW Ans: it provides deoxiders to
remove impurities
what is mode of metal transfer? Ans: how the weld transfers across the
arc
this type of metal transfer makes direct contact with base metal Ans:
short circuit
what is the voltage range for short circut metal transfer? Ans: 12-22
volts
what is the minimum amount of argon gas that is needed to obtain spray
transfer Ans: 85%
how are wire feed guns rated Ans: current carrying capacity
purpose of a curved neck of a GMAW welding gun? Ans: ensures wire
contact with the inside
, Page | 3
one function of the contact tube? Ans: transfer current to the electrode
the GMAW nozzle serves what function? Ans: directs shielding gas to
the welding zone
what is the primary function of the drive rollers Ans: directs the wire to
the welding head
what type of drive rolls are recommended for solid wire? Ans: vee
groove drive rolls
what type of drive rolls are recommended for flux core wire Ans:
knurled drive rolls
what directly relates to arc length? Ans: voltage
Voltage is Responsible for: Ans: puddle fluidity
DCEN is also known as Ans: straight polarity
amperage is responsible for? Ans: penetration
when using this type of current, greater penetration is achieved Ans:
reverse polarity
the term electrode extension is refereed to as? Ans: distance between
the contact tip and the tip of the unmelted electrode
inductance is Ans: rate of response for current rise and fall
ozone forms when oxygen in the atomsphere comes in contact with
ultravoilet radiation Ans: True
GMAW produces what gas Ans: phosegene gas
minimum shade lens by CSA and AWS Ans: shade 10
gas metal arc process is known as Ans: mig welding
, Page | 4
poor connection leads to Ans: unstable arc
GMAW runs on this type type of current Ans: direct current electrode
positive
greatest advantage when using FCAW Ans: deposition
type of gas used for self shielding FCAW wire Ans: no gas is needed
what is in the core of MCAW wire Ans: metal powders
not a piece of basic equipment for wire feeding welding Ans: tungsten
electrode
gun and cable assemblies for GMAW are rated by there Ans: current
and capacity
GMAW filler wire is classified under Ans: AWS and CSA
which institution writes specifications for welding power sources? Ans:
NEMA
duty cycle refer to the amount of time a machine can be used based on
Ans: 10 min cycle
type of volt amp curve does GMAW have? Ans: relatively flat
when using GMAW the wire feed speed has a influence on Ans:
amperage
shielding gases using wire feed systems require Ans: good ventilation
MCAW process uses the same equipment as which process Ans: FCAW
major factor between air-cooled and water cooled guns? Ans:
current/voltage
what is DCEP Ans: direct current electrode positive
Alberta welding first year final important stuff
Questions with Detailed Verified Answers
how are elbows drawn on piping isometrics? Ans: with either rounded
or square corners
purpose of coping structural member Ans: to make it fit into another
member
piping drawings should be used when clarity is needed Ans: double line
piping bridles are used for Ans: to show liquid levels in vessels
which drawing indicates the location of a structure on a building Ans:
site plans
what is a mitre cut? Ans: an angle cut made to match another angled
member
two types of flanges Ans: C and S
cutting the flange on a beam to narrow its width is known as Ans:
Blocking
which drawing provides complete information for fabrication of parts?
Ans: assembly drawing
which drawing show the location of major structural components? Ans:
engineering
which piping symbol is represented Ans: eccentric reducer
, Page | 2
what does AWS stand for? Ans: American Welding Society
what is helix? Ans: a cork screw effect exhibited by a ring of filler wire
purpose of a copper Finnish on GMAW wire? Ans: add a degree of
corrosion resistance
why is silicon, aluminum, and manganese added to GMAW filler wire?
Ans: deoxiders
what is the primary factor in choosing filler wire? Ans: match the base
metal composition
how should wire consumables be store? Ans: in containers until
required
when using FCAW the flux is located? Ans: inside the wire itself
what is the function of flux in FCAW Ans: it provides deoxiders to
remove impurities
what is mode of metal transfer? Ans: how the weld transfers across the
arc
this type of metal transfer makes direct contact with base metal Ans:
short circuit
what is the voltage range for short circut metal transfer? Ans: 12-22
volts
what is the minimum amount of argon gas that is needed to obtain spray
transfer Ans: 85%
how are wire feed guns rated Ans: current carrying capacity
purpose of a curved neck of a GMAW welding gun? Ans: ensures wire
contact with the inside
, Page | 3
one function of the contact tube? Ans: transfer current to the electrode
the GMAW nozzle serves what function? Ans: directs shielding gas to
the welding zone
what is the primary function of the drive rollers Ans: directs the wire to
the welding head
what type of drive rolls are recommended for solid wire? Ans: vee
groove drive rolls
what type of drive rolls are recommended for flux core wire Ans:
knurled drive rolls
what directly relates to arc length? Ans: voltage
Voltage is Responsible for: Ans: puddle fluidity
DCEN is also known as Ans: straight polarity
amperage is responsible for? Ans: penetration
when using this type of current, greater penetration is achieved Ans:
reverse polarity
the term electrode extension is refereed to as? Ans: distance between
the contact tip and the tip of the unmelted electrode
inductance is Ans: rate of response for current rise and fall
ozone forms when oxygen in the atomsphere comes in contact with
ultravoilet radiation Ans: True
GMAW produces what gas Ans: phosegene gas
minimum shade lens by CSA and AWS Ans: shade 10
gas metal arc process is known as Ans: mig welding
, Page | 4
poor connection leads to Ans: unstable arc
GMAW runs on this type type of current Ans: direct current electrode
positive
greatest advantage when using FCAW Ans: deposition
type of gas used for self shielding FCAW wire Ans: no gas is needed
what is in the core of MCAW wire Ans: metal powders
not a piece of basic equipment for wire feeding welding Ans: tungsten
electrode
gun and cable assemblies for GMAW are rated by there Ans: current
and capacity
GMAW filler wire is classified under Ans: AWS and CSA
which institution writes specifications for welding power sources? Ans:
NEMA
duty cycle refer to the amount of time a machine can be used based on
Ans: 10 min cycle
type of volt amp curve does GMAW have? Ans: relatively flat
when using GMAW the wire feed speed has a influence on Ans:
amperage
shielding gases using wire feed systems require Ans: good ventilation
MCAW process uses the same equipment as which process Ans: FCAW
major factor between air-cooled and water cooled guns? Ans:
current/voltage
what is DCEP Ans: direct current electrode positive
