April 23, 2025

Filtration: Pharmaceutical engineering MCQ with answers

Filtration Pharmaceutical engineering MCQ with answers


Pharm Engg Chapterwise MCQ: UNIT-I MCQ * Flow of fluids * Size reduction * Size separation UNIT-II MCQ *Heat transfer *Distillation *Evaporation UNIT-III MCQ *Drying * Mixing UNIT-IV MCQ * Filtration * Centrifugation * UNIT-V MCQ Materials of construction * Corrosion


Filtration is a unit operation that is commonly used for collecting
i. Filtrate
ii. Particulate matter
iii. Precipitate
iv. Slurry

Answer: Filtrate

In the clarification process, which factor is more important
i.  Depth of the media
ii.  Pore size of the filter media
iii. Surface area of the filter
iv. Volume of slurry

Answer: Pore size of the filter media

Who has proposed that the filtration process is like the streamlined flow of liquid under pressure through capillaries?
i.  Carman
ii. Darcy
iii. Kozeny
iv. Poiseuille

Answer: Poiseuille

 The fluid flows through the filter medium by virtue of
i. The potential difference across the filter
ii. Pressure difference across the filter
iii. Temperature difference across the filter
iv. Volume difference across the filter

Answer: Pressure difference across the filter

Filter aids are mainly used when
i. The liquid is required as a product
ii. Filter medium is not available
iii. Solid & liquid are required as products
iv. Solids are required as product

Answer: Filter medium is not available

 On what aspect of pressure does the filter leaf work
i. Atmospheric pressure
ii. Negative pressure
iii. Normal pressure
iv. Pressure is zero

Answer: Negative pressure

Which one of the following is not a mechanism of filtration?
i. Entanglement
ii. Impact
iii. Impingement
iv. Straining

Answer: Impact

The cellulose membrane filter is an example of which type of filtration
i. Cake
ii. Depth
iii. Decantation
iv. Screen

Answer: Screen

Which of the following acts as a mechanical support for the filter cake and is also responsible for the collection of solids?
i. Feed
ii. Filter aid
iii. Filter medium
iv. Funnel

Answer: Filter medium

 The efficiency of filtration increases if,
i.  The compressibility of solids is high
ii. Filter aid is added to the slurry
iii. Filter medium is used
iv. Size distribution of solids is wide in slurry

Answer: Filter aid is added to the slurry

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