February 23, 2024

Drying Pharmaceutical engineering MCQ with answers

Drying 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


Drying is essential after one of the following unit operations
a. Crystallisation
b. Evaporation
c. Mixing
d. Size reduction

Answer: Crystallisation

For fixing the effective drying conditions, which processing factor is essential?
a. Height
b. Humidity
c. Pressure
d. Temperature

Answer: Humidity

At a given temperature and humidity, if the moisture content of a material is greater than equilibrium moisture content, then the following process takes place
a. Absorption
b. Adsorption
c. Desorption
d. Sorption

Answer: Desorption

Fluidised bed dryer has one of the following advantages?
a. Attrition is not observed
b. Entire material is continuously exposed to a heat source
c. Fluffy mass is formed
d. Humidity can be increased

Answer: Entire material is continuously exposed to a heat source

Which one of the following dryer is known as lyophiliser?
a. Fluidised bed dryer
b. Freeze dryer
c. Spray dryer
d. Vacuum dryer

Answer: Freeze dryer

Talc has EMC of practically equal to
a. High
b. One
c. Variable
d. Zero

Answer: Zero

Which equipment is used for drying methylcellulose?
a. Drum dryer
b. Spray dryer
c. Tray dryer
d. Vacuum dryer

Answer: Spray dryer

Migration of salts & solutes does not occur in one of the following equipment for drying
a. Freeze dryer
b. Spray dryer
c. Tray dryer
d. Vacuum dryer

Answer: Freeze dryer

Which one of the following types of products is having an EMC of practically zero?
a. Non-porous & insoluble
b. Non-porous & soluble
c. Porous & insoluble
d. Porous & soluble

Answer: Non-porous & insoluble

 Which product is not dried by a spray dryer?
a. Bacterial & viral cultures
b. Fruit juice
c. Lactose
d. Serum

Answer: Bacterial & viral cultures

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