INTRODUCTION TO METALLURGY &
MATERIAL SPECIFICATION 1 순위
QUESTIONS 100% CORRECT!!
Exam Question Section 3
From the following, select the ferrous metals;
a) wrought iron
b) copper
c) aluminum
d) carbon steel
e) stainless steel - ANSWERa) wrought iron
d) carbon steel
e) stainless steel
Exam Question Section 3
What is taconite?
a) aluminum alloy
b) stainless steel
c) pig iron
d) iron ore
e) low alloy steel - ANSWERd) iron ore
Exam Question Section 3
Limestone is a fluxing agent that removes impurities to form a slag ;
True/False - ANSWERTrue
Exam Question Section 3
In the 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 steel after pouring - ANSWERb) the chemical nature of
the refractory lining of the furnace
Exam Question Section 4 & 5
In the electric furnace, what provides the heat to melt the metal charge? -
ANSWERAn arc between carbon electrodes and the metal
Exam Question Section 4 & 5
What are the advantages of continuous casting over ingot casting? - ANSWERLess
segregation, less rolling required, less cost
Exam Question Section 4 & 5
"Alloy steels and steels with greater than 0.3% carbon are fully killed"
True/False - ANSWERTrue
Exam Question Section 4 & 5
What would a Non-Metallic inclusions in a steel plate look like? - ANSWER
Exam Question Section 6 & 7
Martensite is extremely brittle. Can martensite be tempered to enhance its
toughness? - ANSWERYes
Exam Question Section 6 & 7
When steel is normalized, how is the steel cooled? - ANSWERIn air
Exam Question Section 6 & 7
What are the 3 major groups of steels? - ANSWERCarbon steels, low alloy steels,
and alloy steels
Exam Question Section 6
" Metals have a crystalline structure in which the atoms are arranged in an irregular
pattern "
True/False - ANSWERFalse
Exam Question Section 6
Can you describe what a _____________ would look like ?
a)Body-centred cubic (BCC)
b) Face-Centred cubic (FCC) - ANSWER
Exam Question Section 6
Ferrite, austenite and cementite are known as:
a) particles
b) elements