a) Convective mixing/Macro mixing

b) Shear mixing

c) Diffusion mixing/Micro mixing

d) Centrifugal mixing

a) Increasing the moisture content of the powder

b) Selecting particular sized fractions and milling of components

c) Changing the shape of the particles

d) Generating more surface charge during mixing

a) Controlled crystallization during production of the drug/excipients

b) Increasing the moisture content of the powder

c) Adding more additives to the mix

d) Generating more surface charge during mixing

a) To increase the speed of rotation

b) To accentuate the tumbling motion

c) To reduce the efficiency of the mixer

d) To generate more heat during mixing

a) The geometric shape of the container

b) The type of material being mixed

c) The speed of rotation

d) The size of the mixer

a) They depend entirely on gravity

b) They are useful in mixing wetted, sticky, or plastic solids

c) They are less efficient in breaking up lumps or aggregates

d) They have lower shear forces

a) To increase the speed of rotation

b) To provide movement of material in both directions along the axis of the tank

c) To generate more heat during mixing

d) To create a stronger mixing action

a) Mixtures produced by small mixers have greater variations in composition

b) Mixtures produced by large mixers have greater variations in composition

c) The composition variations are independent of the size of the mixer

d) The composition variations are solely dependent on the type of material being mixed

a) To reduce both the scale and intensity of segregation

b) To increase the speed of mixing

c) To allow for higher shear forces

d) To reduce the overall efficiency of the mixer

a) By increasing the speed of rotation

b) By using a set of baffles that causes a part of the material to move backward

c) By generating more heat during mixing

d) By using a stationary container

a) The material splits into two portions, with one moving backward and the other moving forward

b) The material remains stationary

c) The material is mixed under tumbling motion

d) The material is discharged from the blender

a) Tumblers/Blenders

b) Agitator Mixers

c) Ribbon Mixer/Blender

d) Continuous Mixers

a) Barrel Type Continuous Mixer

b) Zig-zag Continuous Blender

c) Ribbon Mixer/Blender

d) Twin-shell Blender

a) High power consumption

b) Difficulty in cleaning

c) Gentle mixing action and low maintenance

d) Product damage

a) High power consumption

b) Poor cross-flow along the axis

c) Efficient mixing

d) Good cross-flow

a) Reducing the drum size

b) Adding baffles or inclining the drum on the axis

c) Removing baffles

d) Decreasing the speed of rotation

a) Rolling

b) Sliding

c) Jumping

d) Twisting

a) Precision blending

b) High power consumption

c) Inefficient mixing

d) Difficult cleaning

a) Low power requirement

b) Difficulty in cleaning and higher power requirement

c) Efficient blending

d) Easy cleaning and low power requirement