Related Questions

Followings are the colloid solution
A Hydroxyl ethyl starch
B Albumin
C Gelatin derivatives
D Ringers lactate solution
E One fifth normal saline
Colloid solutions are
A Albumin
B Gelatin derivatives
C Hydroxy ethyl starch
D 5% dextrose in normal saline
E Ringer's lactate solution
An emulsion is a colloid of a
A Gas in a liquid
B Liquid in a liquid
C Liquid in a gas
D Gas in a solid
Which is a natural colloid ?
A Sodium chloride
B Urea
C Cane-sugar
D Blood
Which is a natural colloid?
A Urea
B Cane sugar
C Blood
D Sodium chloride
Colloid mills achieve size reduction mainly by
A Impact
B Attrition
C Cutting
D Compression
Which of the following is not an ultrafine grinder (colloid mill)?
A Micronizers
B Agitated mills and fluid energy mills
C Toothed roll crusher
D Hammer mills with internal classification
__________ are used for the separation of coarse particles from a slurry of fine particles.
A Thickeners
B Classifiers
C Hydrocyclones
D Decanters
For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance.
A Film diffusion
B Diffusion through ash layer
C Chemical reaction
D Either A, B or C
For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.
A Film diffusion
B Diffusion through ash layer
C Chemical reaction
D Either A, B or C

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