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Particle Technology Quiz No.2 for Section 1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

(a)   is the process of separating fluids of different densities through spinning at high speed within a container.

2.

The separation of particles from a fluid by centrifugal forces acting on the particles is known as (a)   .

3.

Brownian movement phenomena is applicable for particles having diameter with___________ in size.

a)

greater than 1 micron

b)

less than 1 micron

c)

equal to 1 micron

d)

no particular micron

4.

Diffusion cam be considered a macroscopic manifestation of Brownian motion on the microscopic level.

a)

True

b)

False

5.

Which of the following is NOT a benefit using conveyor.

a)

Minimizes human error, lowers workplace risks and reduces labor costs

b)

Can safely transport material from one level to another

c)

Adds value and increases the safety of the workplace due to automation, failsafes and safeguards

d)

None of these

6.

Which of the following are not a structure of chain conveyor?

a)

Horizontal

b)

Vertical

c)

Diagonal

d)

Inclined

7.

Which of the following are the applications of chain conveyor?

a)

Painting Industries

b)

Automotive Indiustries

c)

Cement Industries

d)

All of the above

8.

The efficiency of solid mixing is determined by the materials to be mixed and process equipment to be used.

a)

True

b)

False

9.

The mechanism of solid mixing which is considered as macromixing.

(a)  

10.

The mechanism of solid mixing which is considered as micromixing.

(a)  

11.

Industrial centrifuge that uses centrifugal force to pass a liquid through a filtration media.

(a)  

12.

Industrial centrifuge that uses centrifugal force to separate solids from liquids

(a)  

13.

Compared to gravitational settling, centrifugal settling takes longer time to accomplish.

a)

True

b)

False

14.

One of the oldest techniques used for separating minerals and relies on differential settling particles in a fluid medium

(a)  

15.

The particle's ability to continue travelling in a straight line even when external forces is applied

(a)