CWB Level 1 Metallurgy & Material Specification Exam 2025/2026 – 100+ Verified Q&A | Heat Treatment, Grain Size, Martensite, Alloying Elements, Stainless Steel, ASME IX

CWB Level 1 Metallurgy and Material
Specification 2025/2026 Exam Questions
and Corresponding Answers with Surety
of 100% Pass Mark



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.


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.

, 3


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)




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, 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.

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.