1000+ Mechanical Operations Interview Questions and Answers - 2

Question: 6

For a compressor cake, the specific cake resistance

(A) increases with pressure drop, but not proportionally

(B) is independent of pressure drop

(C) decreases proportionally with pressure drop

(D) increases proportionally with pressure drop

Question: 7

Size reduction of coarse hard solids using a crusher is accomplished by

(A) attrition

(B) impact

(C) compression

(D) cutting

Question: 8

Which of the following is not a revolving/tumbling mill used for size reduction?

(A) cage mill

(B) rod mill

(C) compartment mill

(D) pebble mill

Question: 9

Gyratory crushers compared to the reciprocating jaw crushers

(A) have less steady power consumption

(B) are less suitable for coarse materials

(C) crush intermittently

(D) have greater capacity per unit of discharge area

Question: 10

Chance process is used for the

(A) water treatment

(B) concentration of pyrites

(C) concentration of iron ore

(D) cleaning of coal