Size separation 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
Size classification is also known in one of the following terms.
i. Size analysis
ii. Size distribution
iii. Size reduction
iv. Size separation
i. Size analysis
ii. Size distribution
iii. Size reduction
iv. Size separation
Answer: Size separation
Size separation is NOT based on one of the following properties
i. Particle density
ii. Particle Shape
iii. Particle size
iv. Particle texture
i. Particle density
ii. Particle Shape
iii. Particle size
iv. Particle texture
Answer: Particle texture
Which one of the screens are used for size separation of big and heavy particles?
i. Bar screens
ii. Bolting cloth sieves
iii. Punched plate screens
iv. Woven wire screens
i. Bar screens
ii. Bolting cloth sieves
iii. Punched plate screens
iv. Woven wire screens
Answer: Bar screens
Which one of the screens is attached to the size reduction equipment
i. Bar screens
ii. Cloth Sieves
iii. Herringbone screens
iv. Woven wire screens
i. Bar screens
ii. Cloth Sieves
iii. Herringbone screens
iv. Woven wire screens
Answer: Cloth Sieves
Which one of the following indicates the nominal size of aperture?
i. Area of mesh as percentage
ii. Distance between two adjacent wires
iii. Number of meshes per linear length
iv. Wire having specified diameter that gives suitable aperture
i. Area of mesh as percentage
ii. Distance between two adjacent wires
iii. Number of meshes per linear length
iv. Wire having specified diameter that gives suitable aperture
Answer: Number of meshes per linear length
During size separation, the movement of particles can be enhanced by one of the following modes.
i. Agitation
ii. Attrition
iii. Gravitation
iv. Mixing
i. Agitation
ii. Attrition
iii. Gravitation
iv. Mixing
Answer: Agitation
Brushing method hastens the movement of one of the following materials
i. Coarse materials
ii. Dry materials
iii. Light materials
iv. Sticky materials
i. Coarse materials
ii. Dry materials
iii. Light materials
iv. Sticky materials
Answer: Sticky materials
Flywheel is used to enhance the motion of particles by one of the following modes
i. Brushing mode
ii. Centrifugal mode
iii. Gyration mode
iv. Oscillation mode
i. Brushing mode
ii. Centrifugal mode
iii. Gyration mode
iv. Oscillation mode
Answer: Gyration mode
Which equipment is used for sieve analysis?
i. Alpine airjet sieve
ii. Cyclone separator
iii. Rotex screen
iv. Shaking screen
i. Alpine airjet sieve
ii. Cyclone separator
iii. Rotex screen
iv. Shaking screen
Answer: Alpine airjet sieve
A fluidised state is NOT used in one of the following equipment.
i. Air separator
ii. Alpine sieve
iii. Cyclone separator
iv. Rotex screen
i. Air separator
ii. Alpine sieve
iii. Cyclone separator
iv. Rotex screen
Answer: Rotex screen
