Download SGBAU B-Pharma 2019 Summer 3rd Sem Sem III Pharmaceutical Engineering New Question Paper

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Notes:

1. Answer all questions.
2. Illustrate your answer with the help of neat sketches.
3. Use of pen Blue/Black ink/refill only for writing the answer book.

1. Multiple choice questions (MCQS) 20
   1. In the surface area of evaporator pan is small, the rate of evaporation will be
      1. More

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      2. Less
      3. Both
      4. None
   2. Entrainment separator in climbing evaporator act as
      1. Only foam breaks

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      2. Only entrainment separator
      3. Both
      4. None
   3. Supersaturation can be achieved through one of the following mechanism
      1. By evaporating solvent from solution

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      2. By cooling of hot solution
      3. By addition of a substance which is more soluble in solvent than the solid to be crystallized.
      4. All of the above
   4. Super saturation theory was proposed by
      1. Meirs

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      2. Stock's
      3. Henry's
      4. All of above
   5. Bound water is having ------- -- vapour pressure than the pure water.
      1. Less

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      2. More
      3. Equal
      4. None
   6. In drying rate curve, the 2™ phase is known as
      1. Initial adjustment period

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      2. Constant rate period
      3. Falling rate period
      4. None
   7. Solutions which do not obeys Raoult's law are known as
      1. Real solution

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      2. Ideal solutions
      3. Both
      4. None
   8. When liquid starts boiling?
      1. When its vapour pressure is equal to atmospheric pressure.

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      2. When its vapour pressure is less than atmospheric pressure.
      3. When its vapour pressure is more than to atmospheric pressure
      4. All the above
   9. Simple distillation process based on
      1. Difference in boiling point only

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      2. Difference in volatilities only
      3. Difference in vapour pressure only
      4. None
   10. Process of separation of low content of solids from a liquid is known as
       1. Filtration

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       2. Crystallization
       3. Clarification
       4. None
   11. Plate & frame filter press works on the principle of
       1. Surface filtration

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       2. Depth filtration
       3. Both
       4. None
   12. Super centrifuge is which types of centrifuge.
       1. Sedimentation centrifuge

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       2. Filtration centrifuge
       3. Both
       4. None
   13. Planetary mixture is used to mix
       1. Cohesive solids

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       2. Free flow solids
       3. Both
       4. None
   14. To prevent vortex formation, which of the following method is used
       1. By avoid the symmetry

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       2. By using baffled containers
       3. By mounting 2 or more impellers
       4. All the above
   15. Ball mill also called as
       1. Tumbling mill

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       2. Pebble mill
       3. Both
       4. None
   16. To mill the sticky materials which of the following mill is used.
       1. Fluid energy mill

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       2. Colloid mill
       3. Rod mill
       4. None
   17. Fluid corrosion occurs on different location
       1. General corrosion

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       2. Localized corrosion
       3. Structural corrosion
       4. Biological corrosion
   18. If the heat flow is achieved by mixing of warmer portions with cooler portions, that process is known as.
       1. Conduction

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       2. Convection
       3. Radiation
       4. None
   19. Amount of radiation is emitted by black body is expressed by
       1. Fourier's law

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       2. Stefan-Boltzmann law
       3. Thermal radiation law
       4. None
   20. If Reynold's number is less than 2000 then the flow type is
       1. Laminar

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       2. Turbulent
       3. Laminar or turbulent
       4. None

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2. Long answer type question solve any two. 20
   1. Explain the principle and procedure of molecular distillation what are its application.
   2. Explain the principle, construction and working and advantages of Krystal crystallizer.
   3. Discuss the construction, working advantages & disadvantages of Spray dryer.
3. Short answer type question solve any seven. 35
   1. Define the following
      1. Critical moisture content.

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      2. Equilibrium moisture content
      3. Bound moisture
      4. Moisture content
   2. What are the merits & demerits of venturi meter over orifice meter.

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   3. Explain the working of heat exchanger with labelled diagram.
   4. Explain with the help of a diagram the construction and working of ball mill.
   5. Describe the construction and working of silverson mixture-emulsifier with the help of a neat diagram.
   6. Explain the mechanism of filtration.
   7. Explain various factor affecting rate of filtration.

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   8. Describe the principle & application of steam distillation.
   9. Give the mechanism by which heat transfer.

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