1000+ Mechanical Operations MCQ Questions & Answers Pdf - 2

Question: 6

The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the

(A) cyclone separator

(B) electrostatic precipitator

(C) gravity settling chamber

(D) venturi atomiser

Question: 7

For coarse reduction of hard solids, use

(A) attrition

(B) compression

(C) cutting

(D) impact

Question: 8

Which of the following is a batch sedimentation equipment?

(A) rotary sprayer scrubber

(B) dry cyclone separator

(C) dust catcher

(D) filter thickener

Question: 9

Weber number is important in the mixing of

(A) liquid soils

(B) liquid gas

(C) liquid-liquid

(D) dispersed liquids

Question: 10

Maximum size reduction in a fluid energy mill is achieved by

(A) impact

(B) cutting

(C) compression

(D) interparticle attrition