7000+ Extractive Metallurgy MCQ Questions and Answers - 1

Question: 1

Which of the following processes is used for the extraction of nickel?

(A) Pattinson's process

(B) Mond’s process

(C) Hoope's process

(D) Harris process

Question: 2

Electrometallurgical method is involved into the extraction of

(A) Sodium

(B) Iron

(C) Silver

(D) Copper

Question: 3

Which of the following is not a mineral dressing operation?

(A) Screening and classification

(B) Concentration

(C) Comminution

(D) Roasting

Question: 4

Bulk of the zinc is used mainly for the

(A) Manufacture of brasses

(B) Manufacture of pigments

(C) Production of zinc based die casting

(D) Protection of steel by galvanising

Question: 5

Fluxes are most commonly

(A) Quartzitic materials

(B) Metal sulphides

(C) Metal oxides

(D) Oxides minerals