Chemical Engineering MCQs

A. 6/d.ρ
B. 2/d.ρ
C. 4/d.ρ
D. 12/d.ρ

A. 1 – 2
B. 15 – 20
C. 40 – 50
D. 60 – 75

A. Added to the feed slurry
B. Pre-coated on the filter medium prior to filtration
C. Separated from the cake by dissolving solids or by burning it off
D. All a, b. & c.

A. Separation of isotopes based on their density or molecular weights difference
B. Concentration of rubber latex
C. Separation of cream from milk
D. Dewaxing of lubricating oil

A. Compression
B. Interparticle attrition
C. Cutting
D. Impact

A. Sharpies super-centrifuge
B. Hydrocyclones
C. Dorr oliver rake classifier
D. None of these

A. Blake jaw crusher
B. Cage mill
C. Stamp mill
D. Bradford’s breaker

A. Weight
B. Volume
C. Either a. or b.
D. Neither a. nor b.

A. Classification
B. Sedimentation
C. Clarification
D. Decantation

A. Sedimentation
B. Flocculation
C. Dispersion
D. Centrifugation