Chemical Engineering Answers

Calculate the critical speed, in revolutions per minute, for a ball mill 1600 mm in diameter charged with 100 mm balls......

a) 149

b) 276

c) 321

d) 419

c) NONE

The Tyler standard screen series is based on the opening of the 200-mesh screen, which is established at

a) 0.074 mm

b) 0.74 mm.

c) 0.0074 mm

d) 7.4 mm

Write the difference between Ball mill operation and Jaw crusher operation?

Which of the following is used as a filter aid? a) Diatomaceous earth

b) Canvas cloth

c).Lime

d) Hydrated lime

Write the zone names of zone settling or zone sedimentation process?

Choose the right option?

A) Clarifying filters separate relatively large amounts of solids as a cake of crystals or sludge.

B) Cross flow filters remove small amounts of solids to produce a sparkling clear liquid such as beverages.

C) Cake filters used for the separation and concentration of colloidal particles and large molecules

D) All of the above

E) None of the above

Why the Rotary drum filter is not suitable to handle hot feed or hot slurry?

What is the acceptable feed size of Hammer mill with internal classification.......?

What is the use of filter aid in filtration process........

Which filter used to handle small amount of corrosive slurry/feed?