Extractive Metallurgy Interview Questions & Answers - 1
Question: 1
Which of the following operations use physical means to yield a product enriched in the metal bearing mineral?
(A) Mineral dressing
(B) Electrometallurgy
(C) Pyrometallurgy
(D) Hydrometallurgy
Ans: A
Mineral dressing
Question: 2
The largest consumption of zinc for alloys is in the making of
(A) Die-casting alloys
(B) Brazing solder
(C) Bearing metal
(D) Brasses
Ans: D
Brasses
Question: 3
Secondary metals are those
(A) Which can be cold rolled
(B) Which are having high level of impurities
(C) Resulting from reduction of their ores
(D) Resulting from refining of scraps
Ans: D
Resulting from refining of scraps
Question: 4
Which is the cheapest method of metal extraction?
(A) Electrometallurgical
(B) Pyrometallurgical
(C) Hydrometallurgical
(D) All are equally cheap
Ans: C
Hydrometallurgical
Question: 5
Which is not an ore of lead?
(A) Azurite
(B) Anglesite
(C) Cerussite
(D) Galena
Ans: A
Azurite
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