Filtration Quiz

What is the primary purpose of filtration in the pharmaceutical industry?

• To increase the viscosity of liquids

• To separate particles from a fluid

• To reduce the temperature of liquids

• To enhance the color of solutions

What is clarification in the context of filtration?

• Separation of solids from gases

• Removal of microorganisms from solutions

• Separation of solids from liquids at low concentrations

• Filtration of liquids under high pressure

Which type of filtration retains solids on the surface of the filter?

• Depth Filtration

• Cake Filtration

• Surface Filtration

• Gravity Filtration

What is a filter aid used for?

• To reduce the pressure in the filtration system

• To enhance the color of the filtrate

• To prevent blocking of the filter medium

• To increase the temperature of the liquid

Which of the following is NOT a factor affecting filtration rate?

• Temperature of the environment

• Area of filter medium

• Pressure difference

• Viscosity of filtrate

What does Darcy's Law relate to in filtration?

• The size of the filter medium

• The color of the solution

• The flow rate of the filtrate

• The temperature of the liquid

What is the main advantage of using a rotary vacuum filter?

• It is suitable for small-scale operations

• It requires less maintenance

• It operates automatically and continuously

• It is inexpensive to operate

What is the primary function of a tubular centrifuge?

• To separate particles based on their size and density

• To cool down the liquid mixture

• To separate solids from liquids using gravity

• To mix different liquids together

What happens to the thickness of the filter cake during filtration?

• It increases as more solids are retained

• It remains constant

• It fluctuates randomly

• It decreases over time

Which of the following is a disadvantage of rotary vacuum filters?

• They are very large in capacity

• They are expensive due to vacuum application

• They require manual operation

• They are not suitable for continuous processes