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CH8201 PRINCIPLES OF CHEMICAL ENGINEERING
(R2017 - Anna University
Model Questions
- prepared - prepared by ‘chem muru’) muru’)
Unit I: Part-A
1. Define: Chemical Engineering. 2. Define: Chemical Engineer. 3. Draw the Chemical Engineering Tree. 4. Who is first Chemical Engineer? Write W rite short note about him. 5. What are the major roles played by Chemical Engineers to the world? 6. How do you proud to be a Chemical Engineer? Explore your view. 7. Expand: AIChE, MIT. 8. Write a bout COURSE ‘X’ (Course (Course ‘Ten’). 9. Name four achievements of Chemical Engg. 10. Name 10. Name four eminent personality of chemical engineering. Unit I: Part-B
1. 2. 3. 4.
Differentiate chemistry, chemical engineering and chemical technology. Write about history of chemical engineering in brief. Write about the eminent personalities of chemical engineering? Write about at least ten greatest achievements by our chemical engineering to this world. 5. Write about what are the chemical things we have crossed (involved) in our day today life starts from waking up in your bed and then till go to sleep. Unit II: Part – A A
1. Write in short about role of mathematics in chemical engineering. 2. Write in short about role of physics in chemical engineering. 3. Write in short about role of chemistry in chemical engineering. 4. Write in short about role of biology in chemical engineering. 5. Write Zeroth law of thermodynamics. 6. Write first law of thermodynamics. 7. Write second law of thermodynamics. 8. Write third law of thermodynamics. 9. Define: internal energy. 10. What is meant by enthalpy? 11. Write the concept of entropy. 12. What is meant by heat capacity? 13. Write the Kelvin – Kelvin – Planck Planck statement. 14. Write the Clausius statement 15. What are the limitations of first law of thermodynamics? 16. Define: system and surroundings. 17. Define: extensive property and intensive property. 18. What is meant by adiabatic process? 19. What is meant by analogy in transport phenomena? 20. Write the analogy between momentum transfer, mass transfer and heat transfer. 21. What is meant by Reynolds number? 22. Define: laminar flow and turbulent flow. 23. Write Newton’s law of viscosity. 24. Write Fourier’s law of heat conduction.
25. Write Newton’s law of cooling. 26. Write Stefan-Boltzmann law. 27. Write Fick’s law of diffusion. 28. Write mass conservation law. 29. Write Newton’s second law. 30. Write law of energy conservation. 31. What are the three modes of heat transfer? 32. Define any one mass transfer operation. 33. Classify the types of reactions. 34. Define: Homogeneous and Heterogeneous reactions. 35. Define: Catalytic and Non-catalytic reactions. 36. Define: Unimolecular, Bimolecular and Termolecular reactions. 37. Define: Exothermic and Endothermic reactions. 38. Define: First order reaction, second order reaction and third order reactions. 39. Define: Reversible and irreversible reactions. 40. What is meant rate of chemical reaction? 41. What are the factors affecting the rate of a reaction? 42. Write Arrhenius law. 43. Define: Elementary and Non Elementary Reactions. 44. Define: Molecularity of reaction. 45. Write the methods used to analyze the kinetic data or rate data. 46. Define: ideal reactor. 47. Define: batch reactors. 48. Define: CSTR. 49. Define: PFR. 50. Define: non-ideal reactors. 51. What is meant bb fixed bed reactor. 52. Define: tubular reactor. 53. Define: fluidized bed reactor. 54. What is meant by catalyst? 55. What are the types of catalysts? 56. What is meant by promoters (in catalysis)? 57. Define: inhibitors (in catalysis). 58. Define: accelerators (in catalysis). 59. What is meant by carriers/supports (in catalysis)? 60. Define the term ‘Catalyst Deactivation’. 61. What is meant error (in process control)? 62. Define: set point. 63. Draw the generalized process control system. 64. What is meant by closed loop system (in process c ontrol)? 65. What is meant by open loop system (in process control)? 66. What is meant by feedback (in process control)? 67. What is meant by offset (in process control)? 68. Explain shortly Laplace Transform. 69. Write initial value theorem (in Laplace Transform). 70. Write final value theorem (in Laplace Transform). 71. Write the step function (in Laplace Transform). 72. Write the impulse function (in Laplace Transform).
73. Write the ramp function (in Laplace Transform). 74. Write the sinusoidal function (in Laplace Transform). 75. Draw the components of the control system. 76. Draw the block diagram of the simple control system? 77. What are the types of controllers? Unit II: Part – B
1. Write in brief about role of ‘mathematics, physics, chemistry and biology’ in chemical engineering. 2. Derive Newton’s law of viscosity. 3. Explain the three modes of heat transfer. 4. Explain any four mass transfer operations. 5. Derive continuity equation in (1-D) one dimensional flow. 6. What are the characteristics of catalysts? 7. Write the application of catalytic process. 8. Explain the methods of catalyst preparation. 9. Draw the generalized process control system and explain it. 10. Draw the bock diagram of a hot water control system and explain it. 11. What is the role of Laplace Transform in process control? Explain in the aspects of process dynamics and control with some important Laplace functions. Unit III: Part – A
1. Define unit operations and unit process. 2. Draw the chemical engineering tree. 3. Name four unit operations. 4. Name four unit processes. 5. Is combustion comes under unit process or unit operations? Justify. 6. Define calcination reaction. 7. Name the unit operations involved in manufacture of sulfuric acid. 8. Name the unit processes involved in manufacture of sulfuric acid. 9. Name the unit operations involved in manufacture of soda ash. 10. Name the unit processes involved in manufacture of sulfuric acid. 11. What is meant by Solvay process? 12. What is meant by modified Solvay process? 13. How sodium carbonate is extracted from natural deposits? 14. Name the catalyst used in manufacture of sulfuric acid. What are the advantages of it. 15. Write the combustion (burning) reaction involved in manufacture of sulphuric acid. 16. Write the overall reaction of soda ash formation. 17. Write the two main reactions involved in production of H 2SO4. 18. Why platinum is not recommended as catalyst in production of H 2SO4. 19. What is meant by block diagram? 20. Draw the simple block diagram of manufacture of soda ash. 21. Draw the simple block diagram of manufacture of H 2SO4. 22. What is meant by chemical process equipment design? 23. Write in short about the chemical industry which you have visited?
Unit III: Part – B
1. Draw the chemical engineering tree. Define unit operations and unit process. Describe in detail about unit operations and unit process with few examples. 2. How do you represent the process flowsheet? Explain with one industrial example. 3. Explain manufacture of sulphuric acid (Contact process) with neat flow diagram. 4. Explain manufacture of soda ash (Solvay process) with neat flow sheet. 5. What do you know about the designing of chemical equipments? Explain it. 6. Explain the simple chemical engineering experiments which you have done in your laboratory. 7. What you have learnt from your chemical engineering plant visit? Unit IV: Part – A
1. 2. 3. 4. 5. 6. 7. 8. 9.
Write in short the role of computers in chemical engineering. Name any four chemical engineering software. Write in short about the role of chemical engineering in food industry. Write in short about the role of chemical engineering in medical field. Write in short about the role of chemical engineering in energy engineering. Write in short about the role of chemical engineering in global environment. Write in short about the role of chemical engineering in biochemical engineering. Write in short about the role of chemical engineering in electronic industry. Write in short about the allied chemical industry which you have visited?
Unit IV: Part – B
1. Explain the role of computers in chemical engineering. 2. Relate chemical engineering and other engineering disciplines. 3. Compare traditional and modern chemical engineering. 4. Explain the role of chemical engineering in food industry. 5. Explain the role of chemical engineering in medical field. 6. Explain the role of chemical engineering in energy engineering. 7. Explain the role of chemical engineering in global environment. 8. Explain the role of chemical engineering in biochemical engineering. 9. Explain the role of chemical engineering in electronic industry. 10. What you have learnt from your allied chemical industry visit? Unit V: Part – A
1. 2. 3. 4.
What is meant by paradigm shifts in Chemical Engineering? Define: range of scales in Chemical Engineering. Write few job opportunities in chemical engineering field. What do you think about the future of chemical engineering?
Unit V: Part – B
1. 2. 3. 4.
Write about paradigm shifts in Chemical Engineering? Explain, range of scales in Chemical Engineering. Write in detail about the job opportunities in chemical engineering field. What do you think about the future of chemical engineering? Explore your view in detail.
