CWB Level 1 Metallurgy and Material
Select the non-ferrous metal from the following: (Multiple choice)
Question 1 options:
A) Wrought iron.
B) Copper.
C) Carbon steel.
D) Stainless steel. - correct 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. - correct 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. - correct
answer C) Both metals and non-metals.
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. - correct 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. - correct 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.
- correct 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) - correct 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. - correct 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.
- correct 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. - correct answer C) A low carbon content, high strength, and a
fine grain size.
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% - correct answer check
, answer
Adding silicon to low-carbon steel decreases the steel's magnetic properties. (True/False) - correct 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. - correct 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) - correct 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. - correct 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. - correct 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. - correct answer C) 400 series
The carbon content of a specific steel grade, e.g. 4340: (Multiple choice)
Question 19 options:A) depends only on the nickel content.B) depends only on the type of furnace in which the
steel is made.C) will not be uniform, but will fall within a specified range.D) can be whatever the client requires.
- correct answer B) depends only on the type of furnace in which the steel is made.
Select the non-ferrous metal from the following: (Multiple choice)
Question 1 options:
A) Wrought iron.
B) Copper.
C) Carbon steel.
D) Stainless steel. - correct 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. - correct 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. - correct
answer C) Both metals and non-metals.
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. - correct 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. - correct 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.
- correct 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) - correct 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. - correct 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.
- correct 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. - correct answer C) A low carbon content, high strength, and a
fine grain size.
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% - correct answer check
, answer
Adding silicon to low-carbon steel decreases the steel's magnetic properties. (True/False) - correct 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. - correct 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) - correct 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. - correct 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. - correct 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. - correct answer C) 400 series
The carbon content of a specific steel grade, e.g. 4340: (Multiple choice)
Question 19 options:A) depends only on the nickel content.B) depends only on the type of furnace in which the
steel is made.C) will not be uniform, but will fall within a specified range.D) can be whatever the client requires.
- correct answer B) depends only on the type of furnace in which the steel is made.
