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
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
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
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
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
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
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
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
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
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
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
