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Industrial Mixing Processes Quiz

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Questions and Answers

What is the main purpose of mixing in industrial process engineering?

To make heterogeneous systems more homogeneous (correct)

To decrease the mass transfer between streams

To separate components or phases

To increase the temperature of the system

Which example best illustrates the need for mixing in everyday life?

Boiling water in a kettle

Pouring a glass of milk

Stirring pancake batter to eliminate lumps (correct)

Chopping vegetables for a salad

What does modern industrial processing almost always involve?

Heating without mixing

Some form of mixing (correct)

Separation of components

Cooling without mixing

In what way can a biofuel fermenter benefit from mixing?

Optimizing yield by mixing microbes, gases, and liquid medium Signup and view all the answers

What is required for the production of pharmaceutical tablets?

Blending of solid powders Signup and view all the answers

What is the SI unit of pressure?

Pascal (Pa) Signup and view all the answers

Which unit of pressure is defined as 1⁄760 of standard atmospheric pressure?

Torr Signup and view all the answers

What is gauge pressure?

Pressure relative to the ambient pressure Signup and view all the answers

Which unit is the traditional measure of pressure in the imperial and US customary systems?

Pound-force per square inch (psi) Signup and view all the answers

How are manometric units used to express pressure?

In terms of the height of a column of a particular fluid in a manometer Signup and view all the answers

What causes the hissing sound when the cap of a carbonated drink bottle is opened?

Dispersed gas escaping from the water Signup and view all the answers

How do people smell a burning incense stick from a distance?

The incense inside it vaporizes due to the heat and diffuses through the air Signup and view all the answers

How are carbonated drinks made?

By allowing gas to diffuse through water Signup and view all the answers

Why can people smell the food being cooked in the kitchen while sitting in another room?

Vapour from the food diffuses through the air and reaches them Signup and view all the answers

How does sugar get combined with water when introduced to it?

Sugar particles collide with water particles due to their constant movement Signup and view all the answers