Intro To ParTech

Directly generating electricity

Which of the following is NOT a general application of solid-fluid processes?

Mechanical Processes

Which broad classification of solid-fluid processes includes flotation and fluidization?

Chemical Processes

Crystallization, drying, and adsorption are examples of processes falling under which broad classification?

Comminution

The process of particle size reduction is called:

Jaw and cone crushers

Which type of crushing equipment primarily uses a compression mechanism?

Screening

The process of segregating solid particles into multiple grades according to their opening sizes is known as:

Cross-flow filter

Which type of filter is designed to concentrate suspensions of fine particles or colloidal material?

Thickening

The process by which particulates are separated from the fluid either by gravity or by centrifugal force is called:

Flotation

Adhesion of gas bubbles to solid particles to make them buoyant for separation is characteristic of what process?

Homogeneous mixing of concentration, phase, or temperature

The primary goal of agitation and mixing processes in chemical operations is to achieve:

Drying

The process of removing liquid from a solid at a temperature below the boiling point by circulating air or another carrier gas is:

Crystallization

Which process is driven by a mass transfer of a solute from a liquid solution to a crystalline phase?

Leaching

The process of separating a solute from a solid by an insoluble solvent is known as:

Calcination

The conversion of concentrated ore into oxide by heating in the absence of air is called:

Roasting

Converting an ore (usually a sulfide) into an oxide in the presence of excess hot air is defined as:

Electrostatic Separation

Which separation process utilizes forces acting on charged or polarized bodies in an electric field?

Electrodialysis

The process where charged particles migrate by diffusion and convective flow toward a less charged area by electroosmotic effect is:

Electrophoresis

A separation technique that separates biological molecules based on their size and electrical charge through a porous gel is:

Ion-Exchange

Which process is commonly used in water treatment to exchange unwanted dissolved ions with similarly charged ions from a material like resin or zeolite?

Pervaporation

Separation of binary or multi-component liquid mixtures based on partial vaporization through a polymeric or ceramic membrane describes:

Particle Shape

Which particle property has a considerable impact on reactivity and solubility, powder flow, and ceramic sinter properties?

Acicular

A particle described as "needle-shaped, rigid" has which shape definition?

Aspect Ratio

The ratio of the width to the height of an image of a solid body is known as:

Sphericity

A measure of the degree of closeness of the shape of a particle to a perfect spherical particle is:

Zeta Potential

The measure of the magnitude of the electrostatic charge repulsion or attraction between particles in a liquid suspension is:

A single peak

For naturally occurring materials, a particle size frequency distribution curve will generally have

olume distribution

When particle density does not vary with size, the mass distribution is the same as the:

d32​

The surface mean diameter, also known as the Sauter mean diameter, is denoted by which symbol?

Exponential Distribution

Which of the following is NOT listed as a common mathematical form for expressing size distributions?

Sieving

Which of the following is a method for particle size measurement?