Pharmaceutical Engineering Important Questions are most helpful for the B.Pharm 3rd semester examination. You can also download the suggestions PDF.
Flow of Fluids
Very Short Answer Questions
1. Give the pharmaceutical applications of fluid flow.
2. Differentiate between an orifice and a venturi meter.
3. What are the different types of manometers?
4. Why is Reynolds number a dimensionless unit?
5. Draw a well-labelled diagram of a venturi meter.
Short Answer Questions
1. Define Reynolds number and give its significance.
2. Write a note on a pitot tube.
3. Discuss the principle, construction, working, uses, merits, and demerits of a rotameter.
4. Write a short note on energy losses.
Long Answer Questions
1. Explain in detail about manometers.
2. Write a note on Bernoulli’s theorem and explain its applications.
3. Give a detailed review of an orifice and a venturi meter.
Size Reduction
Very Short Answer Questions
1. What is comminution?
2. What is Rittinger’s law?
3. What is the principle of a ball mill?
4. Write the uses of a fluid energy mill.
5. Mention the merits and demerits of an end runner mill.
Short Answer Questions
1. Discuss the objectives of size reduction.
2. What are the factors affecting size reduction?
3. Write a note on the mechanism of size reduction.
4. Give the principle, construction, working, uses, merits, and demerits of an edge runner mill.
Long Answer Questions
1. Explain in detail a hammer mill or a fluid energy mill.
2. Write an exhaustive note on size reduction.
Size Separation
Very Short Answer Questions
1. What is size separation?
2. Discuss the objectives of size separation.
3. Name the types of sieves used.
4. Draw a well-labelled diagram of a sieve shaker.
5. Give the merits and demerits of an elutriation tank.
Short Answer Questions
1. Discuss the applications and mechanism of size separation.
2. Write a note on the official standards of powder.
3. Write a short note on sieves.
4. Give the principle, construction, working, uses, merits, and demerits of a cyclone separator.
Long Answer Questions
1. Explain in detail an air separator or a bag filter.
2. Write an exhaustive note on size separation.
Heat Transfer
Very Short Answer Questions
1. What are the factors affecting conduction?
2. Define reflectivity and transmissivity.
3. Give the types of convection.
4. Give the objectives of heat transfer.
5. Mention the factors affecting the film coefficient.
6. Differentiate between conduction, convection, and radiation.
Short Answer Questions
1. Discuss the applications and mechanism of heat transfer.
2. Write a note on the types of conduction.
3. Discuss absorptivity and emissivity.
4. Derive Kirchhoff’s law.
5. Give the applications of radiation.
Long Answer Questions
1. Write a detailed note on heat transfer by radiation.
2. Elaborate on Fourier’s law.
3. Briefly discuss heat exchangers and interchangers.
Evaporation
Very Short Answer Questions
1. Define evaporation.
2. Give the objectives of evaporation.
3. Mention any two applications of evaporation.
4. Classify evaporators.
5. Give the uses of a forced circulation evaporator.
Short Answer Questions
1. Discuss the factors affecting evaporation.
2. Differentiate between evaporation and drying, and evaporation and distillation.
3. Give the construction and working of a steam-jacketed vessel.
4. Discuss the working of a multiple-effect evaporator.
Long Answer Questions
1. Briefly discuss a horizontal tube and a climbing film evaporator.
2. Give a brief review on evaporation.
Distillation
Very Short Answer Questions
1. Define fractional distillation and flash distillation.
2. Mention some examples of ideal solutions.
3. Give the limitations of Raoult’s law.
4. Mention any two applications of distillation.
5. Give the uses of simple distillation.
6. What is the principle of fractional distillation?
7. Give the merits and demerits of vacuum distillation.
Short Answer Questions
1. Write a note on non-ideal solutions.
2. Discuss Raoult’s law.
3. Draw a boiling point diagram for ideal solutions.
4. Write a note on equilibrium diagrams.
5. Give the construction, working, uses, merits, and demerits of flash distillation.
6. Write a short note on bubble cap columns.
Long Answer Questions
1. Briefly discuss the basic principles of distillation.
2. Give a brief review on steam distillation.
3. Write an exhaustive note on fractional distillation.
4. Give an illustrative note on different types of fractionating columns used.
5. Write a note on molecular distillation.
Drying
Very Short Answer Questions
1. Define drying.
2. Give the objectives of drying.
3. Mention any two applications of drying.
4. Classify dryers.
5. What is equilibrium moisture content?
6. Draw a drying rate curve.
Short Answer Questions
1. Discuss the factors affecting drying.
2. Write a short note on EMC.
3. Discuss the different periods of the rate of drying curve.
4. Give the construction and working of a fluidized bed dryer.
5. Write a note on a vacuum dryer.
Long Answer Questions
1. Briefly discuss a tray dryer and a drum dryer.
2. Give a brief review on the mechanism of the drying process.
3. Discuss the construction, working, uses, merits, and demerits of a freeze dryer and a spray dryer.
Mixing
Very Short Answer Questions
1. Define mixing.
2. Give the objectives of mixing.
3. Mention the applications of mixing.
4. What are the selection criteria for mixing equipment?
5. Differentiate between solid and liquid mixing.
6. Mention the uses of planetary mixers.
7. Draw a well-labelled diagram of a Silverson emulsifier.
Short Answer Questions
1. Discuss the factors affecting mixing.
2. Write a short note on the mechanism of solid mixing.
3. Discuss the mechanism of semisolid mixing.
4. Write a short note on paddles.
5. Give the construction, working, and uses of a sigma blade mixer.
6. Write a note on a ribbon blender.
Long Answer Questions
1. Briefly discuss liquid-liquid mixing.
2. Discuss the construction, working, uses, merits, and demerits of a double cone and a twin shell blender.
3. Give a brief review on propellers and turbines.
Filtration
Very Short Answer Questions
1. Define filtration.
2. Give the objectives of filtration.
3. What is Poiseuille’s equation?
4. Mention the advantages and disadvantages of filter aids.
5. Classify the equipment used for filtration.
6. Give the principle of a filter leaf.
7. Discuss the merits of a meta filter.
Short Answer Questions
1. Mention the applications of filtration.
2. Discuss the factors affecting filtration.
3. Write a note on different types of filter media.
4. Discuss the construction and working of a rotary drum filter.
5. Write a short note on a cartridge filter.
Long Answer Questions
1. Briefly discuss filter aids and media.
2. Discuss the construction, working, uses, merits, and demerits of a plate and frame filter press.
3. Give a brief review on membrane and Seitz filters.
Centrifugation
Very Short Answer Questions
1. Define centrifugation.
2. Give the objectives of centrifugation.
3. Classify the equipment used for centrifugation.
4. Draw a well-labelled diagram of a perforated basket centrifuge.
5. Give the principle of a non-perforated basket centrifuge.
Short Answer Questions
1. Mention the applications of centrifugation.
2. Write a short note on a non-perforated basket centrifuge.
3. Discuss the construction and working of a semi-continuous centrifuge.
4. Draw a well-labelled diagram of a super centrifuge and mention its uses.
Long Answer Questions
1. Briefly discuss the principle of centrifugation.
2. Discuss the construction, working, uses, merits, and demerits of a super centrifuge and a semi-continuous centrifuge.
Material of Pharmaceutical Plant Construction
Very Short Answer Questions
1. Enlist the factors affecting the choice of materials of construction.
2. Classify the materials of construction.
3. Give the properties of cast iron.
4. Mention the advantages and disadvantages of steel.
5. Give the composition of glass.
6. Mention the uses of plastics.
Short Answer Questions
1. Write a note on the factors affecting the choice of material.
2. Write a short note on stainless steel.
3. Mention the properties, applications, advantages, and disadvantages of aluminium and lead.
4. Write about glass.
5. Write a note on rubber.
Long Answer Questions
1. Write an illustrative note on metals.
2. Give a brief review on non-metals.
3. Give an exhaustive note on the material handling system.
Corrosion
Very Short Answer Questions
1. Define corrosion.
2. Enlist the types of corrosion.
3. What is generalized fluid corrosion?
4. What do you mean by hydrogen embrittlement?
Short Answer Questions
1. Write a note on the factors influencing corrosion.
2. Write about structural fluid and biological corrosion.
3. How can cathodic and anodic protection prevent corrosion?
Long Answer Questions
1. Write a detailed note on the electrochemical theory of corrosion.
2. How can corrosion be prevented?
3. Give a brief review on localized corrosion.