20 Filtration MCQ- Pharmaceutics MCQ

20 Filtration MCQ- Pharmaceutics MCQ

1.The process of separation of insoluble particles from suspension or slurry is called
A. Filtration
B. Sieving
C. Distillation
D. Drying

2. The separation process in which the amount of solid in a liquid is not more than 1% w/v is called
A. Clarification
B. Filtration
C. Centrifugation
D. Evaporation

3. Which of the following does not influence filtration?
A. Temperature
B. Density
C. Viscosity
D. pH

Filtration MCQ- Pharmaceutics MCQ

4. The rate of flow of the filtrate through the filter cake is………to the thickness of the cake
A. Inversely proportional
B. Directly proportional
C. Remain constant
D. None of above

5. Which of the following is not a filter aid
A. Diatomaceous earth
B. Perlite
C. Cellulose
D. Cotton

6. Which of the following filtration equipment operate in operation
A. Rotary drum filter
B. Membrane filter
C. Meta filter
D. Seitz filter

7. Filter aids are added to the liquid
A. To increase the porosity
B. To increase cake permeability
C. Both A & B
D. None of above

8. Which of the following is a classification of filtration equipment?
A. Plate and frame filter press
B. Meta filter
C. Both A & B
D. Filter leaf

9. Which of the following theory not describe the rate of filtration?
A. Darcy Law
B. Poiseuille’s equation.
C. Kozeny Carman equation
D. Noyes Whitney equation

10. The slurry is
A. A suspension to be filtered
B. A porous membrane used to retain the solids
C. The solids which are present on the filter
D. A clear liquid passing through the filter.

11. Screening of very diluted (approx 1% w/v) colloidal suspension is known as
a. Clarification
b. Filtration
c. Expression
d. Colation

12. Which of the following process is used to separate insoluble particles from liquids?
a. Filtration
b. Extraction
c. Drying
d. Sieving

13. Meta Filters Is Also Known As
a. Edge Filter
b. Filter press
c. Filter Candle
d. Sintered filter

14. The correct definition of filtration is:
a. When solids are present in a very low concentration, i.e., not exceeding 1.0% w/v, the process of its separation from liquids
b. When solids are present in a very low concentration, i.e., not exceeding 5.0% w/v, the process of its separation from liquids
c. When solids are present in a very low concentration, i.e., not exceeding 2.0% w/v, the process of its separation from liquids
d. When solids are present in a very low concentration, i.e., not exceeding 7.0% w/v, the process of its separation from liquids

,

Filtration MCQ- Pharmaceutics MCQ

15. Which is the principal difference in the properties that influences centrifugation?
a. Densities
b. Interfacial Tensions
c Particle size
d. Viscosities

16. _______is used to separate particles and fluid in a suspension.
A. Filtration
B. Size reduction
C. Mixing
D. Size separation

17. The theories of filtration are
A. Poiseulle’s & Konzeny’s theory
B. Darcy’s law
C. Kozeny-Carman equation
D. All

18. In the equation of Poiseulle’s & Konzeny’s Theory, “V” stands for
A.Velocity
B. Viscosity
C. Rate of filtration/flow
D. None

19. Membrane filters are also known as
A. Microporous filters
B. Turbine filters
C. Double Cone filters
D. None

20. The mixture of silica and fluxes which is fused at high temperature to make glass is called as
A. mixer
B. frit
C. glass
D. grinder

Filtration MCQ- Pharmaceutics MCQ

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