Unit operation

Question 1

3 categories of unit operation

Answer 1

Separation - (distillation)
Combination - (mixing)
Physico- chemical transformation

Question 2

Unit ops different principles

Answer 2

Fluid flow process - fluid transportation,
filtration, solid fluidsation

Heat transfer process - evaporation, condensation

Mass transfer process - gas absorption, distillation, extraction, drying

Thermodynamic process - refrigeration

Mechanical process - crushing and pulverisation, screening and sieving

Question 3

Unit ops study for

Answer 3

To manufactor food in large scale

To design and formulate products

To cultivate, avoid and eliminate microbes in food

To ensure food good quality and robust health impact

Question 4

Sensible heat

Answer 4

jeat used to raise or remove the temperature without a change in phase

Question 5

Latent heat

Answer 5

heat used or released for material to change state

Question 6

Specific heat

Answer 6

heat required to changea unit of temperature by a unit mass of material