1. . The science and technology of metals is called
(A) Metallurgy
(B) Welding
(C) Pattern Making
(D) None of these
2. . A metal is a substance which is
(A) opaque
(B) lustrous
(C) All of these
(D) elemental
3. . The science of obtaining metals from its ores is called
(A) Physical Metallurgy
(B) Extractive Metallurgy
(C) Mechanical Metallurgy
(D) None of these
4. . Naturally occurring aggregate of metal bearing mineral from which metals may be extracted economically is called
(A) Ore
(B) Alloy
(C) Mineral
(D) None of these
5. . Steel is an example of
(A) Ferrous Material
(B) Non-ferrous Material
(C) Ceramic Material
(D) Composite Material