WorksheetsCentrifugation Process Quiz
Total questions: 13
Worksheet time: 7mins
What is the main purpose of a centrifuge?
To measure density
To heat liquids
To separate particles from a solution
To mix different solutions
Which factor does NOT affect the centrifugation process?
Size of particles
Color of particles
Shape of particles
Density of the medium
What is the term for the force created by a centrifuge?
Gravitational force
Frictional force
Centrifugal force
Magnetic force
Which type of centrifuge is used for solid-liquid separation?
Pusher-type centrifuge
Decanting centrifuge
Sedimentation centrifuge
Filtration centrifuge
What is the purpose of the classification function in centrifugation?
To remove impurities
To clarify liquids
To sort by size and density
To concentrate solids
What happens during the clarification process?
Liquid is concentrated
Larger particles are separated from smaller ones
Solids are removed from liquids
Suspended solids are minimized in the liquid product
What is the critical speed of rotation?
The speed of the liquid flow
The speed that causes large deflections and vibrations
The speed at which the centrifuge stops
The speed at which solids are separated
Which of the following is NOT a type of centrifuge mentioned?
Tubular centrifuge
Disc bowl centrifuge
High-speed refrigerated centrifuge
Magnetic centrifuge
What is the main function of degritting in centrifugation?
To separate two liquid fractions
To clarify liquids
To concentrate solids
To remove oversized and foreign particles
What is the role of the pusher disc in a pusher-type centrifuge?
To increase the speed of rotation
To separate solids from liquids
To push the cake out of the centrifuge
To balance the load
What is the effect of using centrifugal force instead of gravitational force?
Greater rates of separation
Slower rates of separation
Larger equipment size
Less effective separation
What is the purpose of thickening or concentration in centrifugation?
To remove impurities
To minimize solids in liquid
To remove liquid and concentrate solids
To classify particles by size
What is the significance of the angular velocity in centrifugation?
It influences the color of the solution
It controls the volume of the liquid
It affects the settling rate of particles
It determines the temperature of the solution
