Mechanical Operations Quiz Questions & Answers Pdf - 1

Question: 1

Sorting classifiers are devices which separate particles having different

(A) magnetic properties

(B) molecular weight

(C) densities

(D) surface are per unit volume, but same density

Question: 2

The operating speed of a ball mill should be _____ the critical speed.

(A) slightly more than

(B) atleast equal to

(C) much more than

(D) less than

Question: 3

For a constant pressure filtration, a plot of volume of filtrate collected upto a certain time vs. time is a

(A) section of a parabola

(B) section of a hyperbola

(C) straight line having a positive intercept

(D) straight line passing through origin

Question: 4

Jigging is a technique by which different particles can be

(A) mixed

(B) separated by particle shape

(C) separated by particle density

(D) separated by particle size

Question: 5

Maximum size reduction in a ball mill is done by

(A) attrition

(B) cutting

(C) compression

(D) impact