7000+ Metallurgy Mineral Dressing MCQ Questions and Answers - 2

Question: 6

Size reduction of asbestos and mica is done by

(A) Crushing rolls

(B) Gyratory crushers

(C) Rod mills

(D) Hammer mills

Question: 7

Apron conveyors are used for the

(A) Heavy loads and long runs

(B) Small loads and short runs

(C) Heavy loads and short runs

(D) Small loads and long runs

Question: 8

Cyclones are used primarily for separating the

(A) Liquids

(B) Solids from solids

(C) Solids

(D) Solids from fluids

Question: 9

Coal middlings in thermal power plant are generally crushed by a

(A) Gyratory crusher

(B) Jaw crusher

(C) Ball mill

(D) Hammer crusher

Question: 10

Soft and non-abrasive materials can be made into fines by

(A) Cutting

(B) Compression

(C) Attrition

(D) None of these