CWB LEVEL 2 EVALUATION EXAM 2026 QUESTIONS AND
ANSWERS GRADED A+
✔✔What is "taconite"? - ✔✔Iron ore
✔✔In a basic oxygen furnace, what does the term "basic" refer to?
(A) the chemical nature of the molten steel
(B) the chemical nature of the refractory lining of the furnace
(C) the chemical nature of the oxygen - ✔✔(B) the chemical nature of the refractory
lining of the furnace
✔✔True or False: Metals have a crystalline structure in which atoms are arranged in an
irregular pattern. - ✔✔False
✔✔Ferrite, austenite and cementite are known as:
(A) particles
(B) elements
(C) phases - ✔✔(C) phases
✔✔Which is harder - martensite or fine pearlite? - ✔✔Martensite
✔✔The terms "rimmed", "semi-killed" and "killed" steel refer to the degree of
__________.
(A) Quality
(B) Weldability
(C) Deoxidation - ✔✔(C) Deoxidation
✔✔Alloys are mixtures of metals with __________.
(A) only other metals
(B) only other non-metals
(C) both metals and non-metals - ✔✔(C) both metals and non-metals
✔✔Which of the following classes of steel has NO deoxidants added during production?
(A) Rimmed
(B) Semi-killed
(C) Killed - ✔✔(A) Rimmed
✔✔Which of the following classes of steel is fully-deoxidized and has a large shrinkage
cavity or "pipe" at the top?
,(A) Rimmed
(B) Semi-killed
(C) Killed - ✔✔(C) Killed
✔✔Which of the following terms describes steel with less than 0.8% carbon content?
(A) Hypoeutectoid
(B) Hypereutectoid - ✔✔(A) Hypoeutectoid
✔✔At what percentage carbon content does steel become cast iron? - ✔✔1.7%
✔✔Below 723° Celsius, what grain structure does steel have?
(A) FCC
(B) BCC - ✔✔(B) BCC
✔✔What is the difference between normalizing and annealing? - ✔✔Normalizing is air-
cooled;
Annealing is furnace-cooled
✔✔Which structure is more densely-packed - FCC or BCC? - ✔✔FCC
✔✔Which of the following welding techniques involves higher energy input?
(A) weaving technique
(B) depositing stringer beads - ✔✔(A) weaving technique
✔✔True or False: For thick plates, the cooling rate is inversely proportional to the heat
input. - ✔✔True
✔✔A large presence of oxides will have what effect on the Charpy V-notch impact
energy?
(A) It is likely to be higher
(B) It is likely to be lower - ✔✔(B) It is likely to be lower
✔✔Centerline solidification cracking is most likely caused by welding speed that is:
(A) too high
(B) too slow - ✔✔(A) too high
✔✔What type of flux does NOT easily transfer oxygen to the weld metal?
, (A) Fused
(B) Rutile
(C) Basic
(D) Alkaline - ✔✔(C) Basic
✔✔Does low-carbon steel undergo any major changes to its microstructure when given
a stress-relief treatment at 625° Celsius? - ✔✔No - it would need to reach 723°Celsius
✔✔The rate of energy consumption is expressed by:
(A) volts x watts
(B) volts x amps
(C) amps x watts - ✔✔(B) volts x amps
✔✔A "controlled thermal severity" test (CTS) uses which type of weld?
(A) fillet
(B) groove - ✔✔(A) fillet
✔✔Stress relief temperatures for thick sections occur __________ the material
transformation temperature.
(A) above
(B) below
(C) the same as - ✔✔(B) below
✔✔Another term for weld fault is:
(A) discontinuity
(B) defect - ✔✔(B) defect
✔✔Is an incorrect root opening a dimensional fault or a structural fault? -
✔✔Dimensional fault
✔✔Is overlap a dimensional fault or a structural fault? - ✔✔Structural fault
✔✔in CSA Standard W59 and AWS D1.1, what is the workmanship tolerance for a
groove angle? - ✔✔+10°
-5°
✔✔The term "convexity" normally refers to the profile of a __________.
(A) fillet weld
(B) groove weld - ✔✔(A) fillet weld
ANSWERS GRADED A+
✔✔What is "taconite"? - ✔✔Iron ore
✔✔In a basic oxygen furnace, what does the term "basic" refer to?
(A) the chemical nature of the molten steel
(B) the chemical nature of the refractory lining of the furnace
(C) the chemical nature of the oxygen - ✔✔(B) the chemical nature of the refractory
lining of the furnace
✔✔True or False: Metals have a crystalline structure in which atoms are arranged in an
irregular pattern. - ✔✔False
✔✔Ferrite, austenite and cementite are known as:
(A) particles
(B) elements
(C) phases - ✔✔(C) phases
✔✔Which is harder - martensite or fine pearlite? - ✔✔Martensite
✔✔The terms "rimmed", "semi-killed" and "killed" steel refer to the degree of
__________.
(A) Quality
(B) Weldability
(C) Deoxidation - ✔✔(C) Deoxidation
✔✔Alloys are mixtures of metals with __________.
(A) only other metals
(B) only other non-metals
(C) both metals and non-metals - ✔✔(C) both metals and non-metals
✔✔Which of the following classes of steel has NO deoxidants added during production?
(A) Rimmed
(B) Semi-killed
(C) Killed - ✔✔(A) Rimmed
✔✔Which of the following classes of steel is fully-deoxidized and has a large shrinkage
cavity or "pipe" at the top?
,(A) Rimmed
(B) Semi-killed
(C) Killed - ✔✔(C) Killed
✔✔Which of the following terms describes steel with less than 0.8% carbon content?
(A) Hypoeutectoid
(B) Hypereutectoid - ✔✔(A) Hypoeutectoid
✔✔At what percentage carbon content does steel become cast iron? - ✔✔1.7%
✔✔Below 723° Celsius, what grain structure does steel have?
(A) FCC
(B) BCC - ✔✔(B) BCC
✔✔What is the difference between normalizing and annealing? - ✔✔Normalizing is air-
cooled;
Annealing is furnace-cooled
✔✔Which structure is more densely-packed - FCC or BCC? - ✔✔FCC
✔✔Which of the following welding techniques involves higher energy input?
(A) weaving technique
(B) depositing stringer beads - ✔✔(A) weaving technique
✔✔True or False: For thick plates, the cooling rate is inversely proportional to the heat
input. - ✔✔True
✔✔A large presence of oxides will have what effect on the Charpy V-notch impact
energy?
(A) It is likely to be higher
(B) It is likely to be lower - ✔✔(B) It is likely to be lower
✔✔Centerline solidification cracking is most likely caused by welding speed that is:
(A) too high
(B) too slow - ✔✔(A) too high
✔✔What type of flux does NOT easily transfer oxygen to the weld metal?
, (A) Fused
(B) Rutile
(C) Basic
(D) Alkaline - ✔✔(C) Basic
✔✔Does low-carbon steel undergo any major changes to its microstructure when given
a stress-relief treatment at 625° Celsius? - ✔✔No - it would need to reach 723°Celsius
✔✔The rate of energy consumption is expressed by:
(A) volts x watts
(B) volts x amps
(C) amps x watts - ✔✔(B) volts x amps
✔✔A "controlled thermal severity" test (CTS) uses which type of weld?
(A) fillet
(B) groove - ✔✔(A) fillet
✔✔Stress relief temperatures for thick sections occur __________ the material
transformation temperature.
(A) above
(B) below
(C) the same as - ✔✔(B) below
✔✔Another term for weld fault is:
(A) discontinuity
(B) defect - ✔✔(B) defect
✔✔Is an incorrect root opening a dimensional fault or a structural fault? -
✔✔Dimensional fault
✔✔Is overlap a dimensional fault or a structural fault? - ✔✔Structural fault
✔✔in CSA Standard W59 and AWS D1.1, what is the workmanship tolerance for a
groove angle? - ✔✔+10°
-5°
✔✔The term "convexity" normally refers to the profile of a __________.
(A) fillet weld
(B) groove weld - ✔✔(A) fillet weld
