Chemical Engineering Answers

In the Tyler standard screen series, with the inclusion of intermediate screens the ratio of the mesh dimension of any screen to that of the next smaller standard screen is...........

In axial flow conveyor centrifuges, the critical separation occurs

a). when particle reaches to the interface between the thin boundary layer and stagnant liquid pond

b) when particle is in stagnant liquid pond. c) when particle crosses stagnant liquid pond and touches the bowl wall

d) none of the above.

Define the term screen effectiveness..............

Classify the filters based on driving force....

Units of ultra fine particle size......

Classify the filters based on driving force....

What is the major working principle of fluid energy mill?

a) Attrition

b) Impact C) Cutting action

D) Compression

E) None

Doctor blade belongs to which filter?

a) Rotary drum filter

b) Nutch filter

c) Bag filter

d) Plate and frame filter

e) none of the above

Working principles of Ball mill........

Stokes equation is valid in the Reynolds number range

(a) 1000 to 2400

(b) 0.1 to 2

(c) 2 to 10

(d) 10 to 100 (e)None