CWB Level 1 Metallurgy and
Material Specification Exam 2025
Questions and Answers
Select the non-ferrous metal from the following: (Multiple choice)
Question 1 options:
A) Wrought iron.
B) Copper.
C) Carbon steel.
D) Stainless steel. - ANSWER✔✔-B) Copper.
Which of the following materials is a ferrous alloy? (Multiple choice)
Question 2 options:
A) Aluminum.
B) Nickel.
C) Chromium.
D) Stainless steel. - ANSWER✔✔-D) Stainless steel.
Alloys are mixtures of a metal with: (Multiple choice)
Question 3 options:A) Only other metals.B) Other non-metals.C) Both metals and non-
metals.D) Iron. - ANSWER✔✔-C) Both metals and non-metals.
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,For normalizing, the steel is heated slightly higher than annealing, followed by air
cooling. This type of cooling process produces a grain structure of: (Multiple choice)
Question 4 options:A) Cementite/pearlite.B) Fine ferrite/pearlite.C) Coarse
ferrite/pearlite.D) Fine austenite/pearlite. - ANSWER✔✔-B) Fine ferrite/pearlite.
What is the result of hot-shortness in a metal? (Multiple choice)
Question 5 options:A) Loss of impact strength.B) Increased toughness.C) Loss of
ductility.D) Increased malleability. - ANSWER✔✔-C) Loss of ductility.
Hot-rolling is carried out in what region? (Multiple choice)
Question 6 options:A) The austenite region.B) The pearlite regionC) The cementite
region.D) The ferrite region. - ANSWER✔✔-A) The austenite region.
When thermal stress relief is completed, nondestructive testing is often postponed for
48 hours to ensure that no delayed post-stress relief cracking occurred: (True/False) -
ANSWER✔✔-false
When thermal stress relief is completed, nondestructive testing is often postponed for
24 hours to ensure that no delayed post-stress relief cracking occurred
What are the three main components when charging a blast furnace? (Multiple choice)
Question 9 options:A) Iron ore, nickel pellets, and limestone.B) Iron ore, manganese,
and cokeC) Iron ore, limestone, and coke.D) Iron ore, nickel pellets, and coke. -
ANSWER✔✔-C) Iron ore, limestone, and coke.
The three major steel groups are carbon steels, low-alloy steels and: (Multiple choice)
Question 10 options:A) Manganese steels.B) Alloy steelsC) Carbon-molybdenum
steels.D) Carbon-nitrate steels. - ANSWER✔✔-B) Alloy steels
The grouping of steels referred to as high strength low alloy steels (HLSA) typically
exhibit the following attributes: (Multiple choice)
Question 11 options:A) A high carbon content, high strength, and a large grain size.B) A
high carbon content, high strength, and a fine grain size.C) A low carbon content, high
strength, and a fine grain size.D) A low carbon content, poor toughness, and a large
grain size. - ANSWER✔✔-C) A low carbon content, high strength, and a fine grain size.
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, The carbon content (%C) for structural steel plates falls in the range of: (Multiple choice)
Question 12 options:A) 0.05% - 0.10%B) 0.15% - 0.30%C) 0.5% - 0.80%D) 1.70% - 2.50% -
ANSWER✔✔-check answer
Adding silicon to low-carbon steel decreases the steel's magnetic properties.
(True/False) - ANSWER✔✔-false
it ends up having a high magnetic permeability
Which element contained in HSLA steels will improve resistance to atmospheric
corrosion? (Multiple choice)
Question 14 options:A) Copper.B) BoronC) Oxygen.D) Carbon. - ANSWER✔✔-A)
Copper.
Austenitic stainless steel is a mixture of chromium and enough nickel to remain
austenitic over the whole temperature range and therefore does not transform on
heating or cooling. (True/False) - ANSWER✔✔-true.
When working with stainless steels, what does the term pickling refer to? (Multiple
choice)
Question 16 options:A) A chemical treatment to remove surface iron contamination
only.B) A chemical treatment to remove the mill scale prior to weldingC) A chemical
treatment to corrode the surface in a controlled fashion.D) A chemical treatment to
corrode the surface in an uncontrolled fashion. - ANSWER✔✔-C) A chemical treatment
to corrode the surface in a controlled fashion.
What series of stainless steel is commonly used in washing machines, cutlery, the
automotive industry, and the food and beverage industry? (Multiple choice)
Question 17 options:A) 200 series.B) 300 series.C) 400 series.D) 316 series. -
ANSWER✔✔-A) 200 series.
What series of stainless steel is commonly used in agriculture equipment, turbines,
petrochemicals, fasteners, and heat exchangers? (Multiple choice)
Question 18 options:A) 200 series.B) 300 seriesC) 400 seriesD) 316 series. - ANSWER✔✔-
C) 400 series
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Material Specification Exam 2025
Questions and Answers
Select the non-ferrous metal from the following: (Multiple choice)
Question 1 options:
A) Wrought iron.
B) Copper.
C) Carbon steel.
D) Stainless steel. - ANSWER✔✔-B) Copper.
Which of the following materials is a ferrous alloy? (Multiple choice)
Question 2 options:
A) Aluminum.
B) Nickel.
C) Chromium.
D) Stainless steel. - ANSWER✔✔-D) Stainless steel.
Alloys are mixtures of a metal with: (Multiple choice)
Question 3 options:A) Only other metals.B) Other non-metals.C) Both metals and non-
metals.D) Iron. - ANSWER✔✔-C) Both metals and non-metals.
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,For normalizing, the steel is heated slightly higher than annealing, followed by air
cooling. This type of cooling process produces a grain structure of: (Multiple choice)
Question 4 options:A) Cementite/pearlite.B) Fine ferrite/pearlite.C) Coarse
ferrite/pearlite.D) Fine austenite/pearlite. - ANSWER✔✔-B) Fine ferrite/pearlite.
What is the result of hot-shortness in a metal? (Multiple choice)
Question 5 options:A) Loss of impact strength.B) Increased toughness.C) Loss of
ductility.D) Increased malleability. - ANSWER✔✔-C) Loss of ductility.
Hot-rolling is carried out in what region? (Multiple choice)
Question 6 options:A) The austenite region.B) The pearlite regionC) The cementite
region.D) The ferrite region. - ANSWER✔✔-A) The austenite region.
When thermal stress relief is completed, nondestructive testing is often postponed for
48 hours to ensure that no delayed post-stress relief cracking occurred: (True/False) -
ANSWER✔✔-false
When thermal stress relief is completed, nondestructive testing is often postponed for
24 hours to ensure that no delayed post-stress relief cracking occurred
What are the three main components when charging a blast furnace? (Multiple choice)
Question 9 options:A) Iron ore, nickel pellets, and limestone.B) Iron ore, manganese,
and cokeC) Iron ore, limestone, and coke.D) Iron ore, nickel pellets, and coke. -
ANSWER✔✔-C) Iron ore, limestone, and coke.
The three major steel groups are carbon steels, low-alloy steels and: (Multiple choice)
Question 10 options:A) Manganese steels.B) Alloy steelsC) Carbon-molybdenum
steels.D) Carbon-nitrate steels. - ANSWER✔✔-B) Alloy steels
The grouping of steels referred to as high strength low alloy steels (HLSA) typically
exhibit the following attributes: (Multiple choice)
Question 11 options:A) A high carbon content, high strength, and a large grain size.B) A
high carbon content, high strength, and a fine grain size.C) A low carbon content, high
strength, and a fine grain size.D) A low carbon content, poor toughness, and a large
grain size. - ANSWER✔✔-C) A low carbon content, high strength, and a fine grain size.
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, The carbon content (%C) for structural steel plates falls in the range of: (Multiple choice)
Question 12 options:A) 0.05% - 0.10%B) 0.15% - 0.30%C) 0.5% - 0.80%D) 1.70% - 2.50% -
ANSWER✔✔-check answer
Adding silicon to low-carbon steel decreases the steel's magnetic properties.
(True/False) - ANSWER✔✔-false
it ends up having a high magnetic permeability
Which element contained in HSLA steels will improve resistance to atmospheric
corrosion? (Multiple choice)
Question 14 options:A) Copper.B) BoronC) Oxygen.D) Carbon. - ANSWER✔✔-A)
Copper.
Austenitic stainless steel is a mixture of chromium and enough nickel to remain
austenitic over the whole temperature range and therefore does not transform on
heating or cooling. (True/False) - ANSWER✔✔-true.
When working with stainless steels, what does the term pickling refer to? (Multiple
choice)
Question 16 options:A) A chemical treatment to remove surface iron contamination
only.B) A chemical treatment to remove the mill scale prior to weldingC) A chemical
treatment to corrode the surface in a controlled fashion.D) A chemical treatment to
corrode the surface in an uncontrolled fashion. - ANSWER✔✔-C) A chemical treatment
to corrode the surface in a controlled fashion.
What series of stainless steel is commonly used in washing machines, cutlery, the
automotive industry, and the food and beverage industry? (Multiple choice)
Question 17 options:A) 200 series.B) 300 series.C) 400 series.D) 316 series. -
ANSWER✔✔-A) 200 series.
What series of stainless steel is commonly used in agriculture equipment, turbines,
petrochemicals, fasteners, and heat exchangers? (Multiple choice)
Question 18 options:A) 200 series.B) 300 seriesC) 400 seriesD) 316 series. - ANSWER✔✔-
C) 400 series
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