CWB Level 1 Inspector - Metallurgy
and Material Specification (3) Exam
2025 Questions and Answers
The ability of a steel to form martensite at a given cooling rate is called:
A) ductility.
B) hardenability.
C) toughness.
D) hot shortness. - ANSWER✔✔-B
Steel with up to 0.8% carbon heated above 723 °C is:
A) dual phase austenite.
B) single phase austenite.
C) a layered structure of pearlite.
D) single phase martensite. - ANSWER✔✔-B
The grouping of steels referred to as carbon steels can obtain a wide range of properties
by varying the:
A) nickel content.
B) magnesium content.
C) carbon content.
D) molybdenum content. - ANSWER✔✔-C
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 1
, When a pressure vessel is made from formed plates, they are usually arranged:
A) with the rolling direction around the circumference.
B) with the rolling direction in a pattern alternating between around the circumference
and along the length of the pipe.
C) with the rolling direction along the length of the pipe.
D) randomly. - ANSWER✔✔-A
The process whereby steel is heat treated to a point where the structure transforms and
new grains grow is referred to as:
A) tempering.
B) recrystallization.
C) stress relieving.
D) post weld heat treatment (PWHT). - ANSWER✔✔-B
If more than 1.7% carbon is added to iron the resulting material::
A) can no longer be forged.
B) is called cast iron.
C) will contain cementite and pearlite.
D) will contain martensite and pearlite. - ANSWER✔✔-C
Non-ferrous materials:
A) use iron as the major alloy element.
B) do not use iron as the major alloy element.
C) use sulphur as the major alloy element.
D) do not use sulphur as the major alloy element. - ANSWER✔✔-B
When working with stainless steels, what does the term pickling refer to?
A) Chemical treatment to remove surface iron contamination only
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 2
and Material Specification (3) Exam
2025 Questions and Answers
The ability of a steel to form martensite at a given cooling rate is called:
A) ductility.
B) hardenability.
C) toughness.
D) hot shortness. - ANSWER✔✔-B
Steel with up to 0.8% carbon heated above 723 °C is:
A) dual phase austenite.
B) single phase austenite.
C) a layered structure of pearlite.
D) single phase martensite. - ANSWER✔✔-B
The grouping of steels referred to as carbon steels can obtain a wide range of properties
by varying the:
A) nickel content.
B) magnesium content.
C) carbon content.
D) molybdenum content. - ANSWER✔✔-C
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 1
, When a pressure vessel is made from formed plates, they are usually arranged:
A) with the rolling direction around the circumference.
B) with the rolling direction in a pattern alternating between around the circumference
and along the length of the pipe.
C) with the rolling direction along the length of the pipe.
D) randomly. - ANSWER✔✔-A
The process whereby steel is heat treated to a point where the structure transforms and
new grains grow is referred to as:
A) tempering.
B) recrystallization.
C) stress relieving.
D) post weld heat treatment (PWHT). - ANSWER✔✔-B
If more than 1.7% carbon is added to iron the resulting material::
A) can no longer be forged.
B) is called cast iron.
C) will contain cementite and pearlite.
D) will contain martensite and pearlite. - ANSWER✔✔-C
Non-ferrous materials:
A) use iron as the major alloy element.
B) do not use iron as the major alloy element.
C) use sulphur as the major alloy element.
D) do not use sulphur as the major alloy element. - ANSWER✔✔-B
When working with stainless steels, what does the term pickling refer to?
A) Chemical treatment to remove surface iron contamination only
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 2
