QA -1

The method of dispersing one component in to another is called

• Mixing

• concentration

• screening

• filtration

The mixing is done by an impeller by

• wiping, folding

• size reduction

• squeezing

• blending

Planetary mixers are used for mixing

• pastes

• liquids

• dry powders, slurries

• Chips and spice powders

This equipment is frequently used in bakery industry

• Kneader

• planetary mixer

• Double cone mixer

• Ribbon mixer

The RPM of the kneader blades could be in the ratio of

• 4:2

• 3:2

• 2:4

• 2:3

These mixers are generally used forblending solids

• Ribbon mixers

• planetary mixers

• centrifuges

• disc bowl centrifuge

Ribbon mixer is used for mixing

• Energy foods and weaning foods

• chips and snacks

• bread dough

• pastes

The power required by the impeller is not a function of

• Viscosity of fluid

• density of fluid

• agitator speed

• friction in the motor

Choose the incorrect option for gas liquid mixing

• absorption of CO2

• Chlorination of water

• mixing of oil and water

• hydrogenation of oil

The unit for Bond's work index is

• kWh/ton

• kW/ton

• MN/m2