1000+ Metallurgy Objective Questions and Answers Pdf - 1
Question: 1
The flux used in brazing is usually
(A) alum
(B) borax
(C) common salt
(D) lime
Ans: B
borax
Question: 2
Highest specific gravity is of
(A) steel
(B) lead
(C) copper
(D) brass
Ans: B
lead
Question: 3
The flux used in blast furnace while melting iron ore is
(A) limestone
(B) sodium chloride
(C) carbon
(D) oxygen
Ans: A
limestone
Question: 4
Which of the following element does not impact hardness to steel?
(A) copper
(B) chromium
(C) silicon
(D) nickel
Ans: A
copper
Question: 5
Ferrites are a subgroup of
(A) paramagnetic materials
(B) diamagnetic materials
(C) ferrimagnetic materials
(D) ferromagnetic materials
Ans: C
ferrimagnetic materials
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