Level 1 CSA 178.2 questions verified
with correct answers 2026/2027
version
True or False: The fume generation rate for a welding process is used to measure the
welder's exposure to fume. - correct answer>>>False
What source recommends the types of ventilation to reduce welder exposure to welding
fume?
a) CSA Standard W117.2
b) Company health and safety policies
c) The Occupational Health and Safety Act - correct answer>>>a) CSA Standard
W117.2
Is the leg length of a concave fillet weld the same as the weld size? - correct
answer>>>No
What is a prequalified joint?
a) a joint that does not require qualification testing
b) a joint that can be welded by any welder
c) a joint that is qualified for use in a particular project - correct answer>>>a) A joint that
does not require qualification testing
What does a square symbol specify? (in welding symbols)
a) a consumable insert
b) a backing bar
c) a spacer - correct answer>>>a) A consumable insert
Why must European drawings be studied carefully before fabrication parts? - correct
answer>>>The drawings may employ the use of first angle projection
How many principle views are there in an orthographic projection? - correct answer>>>6
The positive terminal of an electrical circuit is called the: - correct answer>>>Anode
A welding arc is intensely hot, with temperatures exceeding: - correct answer>>>30,000
C
Common shielding gases used for the GTAW process are: - correct answer>>>inert
gases, such as argon
Welding using the GTAW process with current set to DCEN results in: - correct
answer>>>30% heat at the electrode, 70% at the work
, Which method for arc starting with GTAW has the highest cost? - correct
answer>>>Contact method/Lift start
1% lanthanated electrodes for use with the GTAW process are colour coded: - correct
answer>>>Black
True or False: Electrodes used for GTAW are classified under CSA Standard W48
using the designations in CAN/ISO 14341. - correct answer>>>False
What does the "49" indicate in electrode designation E4918-X?
a) 49 MPa minimum tensile strength
b) 49,000 psi minimum yield strength
c) 490 MPa minimum tensile strength
d) 49,000 minimum tensile strength - correct answer>>>c) 490 MPa minimum tensile
strength
True or False? Low-hydrogen electrodes may be rebaked twice. - correct
answer>>>False
The finger-like penetration profile with GMAW is promoted by:
a) carbon dioxide-rich shielding gas
b) argon-rich shielding gas
c) helium-rich shielding gas
d) nitrogen-rich shielding gas - correct answer>>>b) Argon-rich shielding gas
Which of the following elements is used as an alloying element in steel and provides
corrosion resistance?
a) Zinc
b) Vanadium
c) Magnesium
d) Nickel - correct answer>>>d) Nickel
True or False? The basic oxygen furnace is used to produce pig iron. - correct
answer>>>False
The term basic in the basic oxygen furnace refers to the:
a) chemical nature of the refractory lining
b) basicity of the flux produced
c) physical properties of the steel produced
d) simple chemical reaction that occurs - correct answer>>>a) Chemical nature of the
refractory lining
The plates for the shell of a pressure vessel are usually formed with the rolling direction:
a) diagonal to the length
b) along the length
with correct answers 2026/2027
version
True or False: The fume generation rate for a welding process is used to measure the
welder's exposure to fume. - correct answer>>>False
What source recommends the types of ventilation to reduce welder exposure to welding
fume?
a) CSA Standard W117.2
b) Company health and safety policies
c) The Occupational Health and Safety Act - correct answer>>>a) CSA Standard
W117.2
Is the leg length of a concave fillet weld the same as the weld size? - correct
answer>>>No
What is a prequalified joint?
a) a joint that does not require qualification testing
b) a joint that can be welded by any welder
c) a joint that is qualified for use in a particular project - correct answer>>>a) A joint that
does not require qualification testing
What does a square symbol specify? (in welding symbols)
a) a consumable insert
b) a backing bar
c) a spacer - correct answer>>>a) A consumable insert
Why must European drawings be studied carefully before fabrication parts? - correct
answer>>>The drawings may employ the use of first angle projection
How many principle views are there in an orthographic projection? - correct answer>>>6
The positive terminal of an electrical circuit is called the: - correct answer>>>Anode
A welding arc is intensely hot, with temperatures exceeding: - correct answer>>>30,000
C
Common shielding gases used for the GTAW process are: - correct answer>>>inert
gases, such as argon
Welding using the GTAW process with current set to DCEN results in: - correct
answer>>>30% heat at the electrode, 70% at the work
, Which method for arc starting with GTAW has the highest cost? - correct
answer>>>Contact method/Lift start
1% lanthanated electrodes for use with the GTAW process are colour coded: - correct
answer>>>Black
True or False: Electrodes used for GTAW are classified under CSA Standard W48
using the designations in CAN/ISO 14341. - correct answer>>>False
What does the "49" indicate in electrode designation E4918-X?
a) 49 MPa minimum tensile strength
b) 49,000 psi minimum yield strength
c) 490 MPa minimum tensile strength
d) 49,000 minimum tensile strength - correct answer>>>c) 490 MPa minimum tensile
strength
True or False? Low-hydrogen electrodes may be rebaked twice. - correct
answer>>>False
The finger-like penetration profile with GMAW is promoted by:
a) carbon dioxide-rich shielding gas
b) argon-rich shielding gas
c) helium-rich shielding gas
d) nitrogen-rich shielding gas - correct answer>>>b) Argon-rich shielding gas
Which of the following elements is used as an alloying element in steel and provides
corrosion resistance?
a) Zinc
b) Vanadium
c) Magnesium
d) Nickel - correct answer>>>d) Nickel
True or False? The basic oxygen furnace is used to produce pig iron. - correct
answer>>>False
The term basic in the basic oxygen furnace refers to the:
a) chemical nature of the refractory lining
b) basicity of the flux produced
c) physical properties of the steel produced
d) simple chemical reaction that occurs - correct answer>>>a) Chemical nature of the
refractory lining
The plates for the shell of a pressure vessel are usually formed with the rolling direction:
a) diagonal to the length
b) along the length
