Test your basic knowledge |

Paper Science Engineering Core Concepts

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is the purpose of sizing additives?






2. What is brownstock?






3. What are the three big steps to Chemical recovery?






4. Dark rings in wood are known as what?






5. What are some roles of the headbox?






6. What two types of paperboard are in a typical box?






7. List the 3 types of Wet end machines.






8. What are the three types of chemical pulping?






9. What is Sulfidity?






10. What is the function of Bark?






11. What are the 3 main components of wood and what percentage of wood do they make up?






12. How is brightness measured?






13. What is the per capita paper consumption for the US and China - respectively?






14. Where is black liquor produced and how is it seperated from the pulp?






15. What are some strength additives?






16. What is common filler?






17. What part of wood largely goes into paper?






18. What does TCF stand for?






19. Name the primary purpose of the headbox.






20. What is the PRIMARY goal of pulping processes?






21. What are the steps in Chemical pulping?






22. What does the Kappa number indicate?






23. What is the H- factor? What does it tell us?






24. What is the single product of Semi- chemical pulping?






25. What is the primary goal of bleaching?






26. What is the function of the Cambium?






27. What does SGW mean?






28. Disadvantages of Mechanical Pulping?






29. What are some products of Recycled Pulping?






30. What is freeness?






31. Light rings in wood are known as what?






32. What percentage of US production do P&W - Board - and Tissue compose?






33. Define Market Pulp.






34. What percent of Paper and Board in the US is RECOVERED each year?






35. What is Active Alkali?






36. Define Paper.






37. List the 3 types of headboxes.






38. Define Fluff Pulp.






39. What are the four broad categories of pulping?






40. What is Effective Alkali?






41. How many times can a fiber be recycled before it is completely destroyed typically?






42. What are some sizing additives?






43. What does PGW mean?






44. What are the layers of wood fiber - listed from innermost to outermost?






45. When and where was paper invented?






46. Advantages of recycled pulping?






47. What are some advantages of Semi- chemical pulping?






48. What do the stages in DEDED do?






49. What percentage of the average P&W sheet is Softwood?






50. What are some products of Chemical pulping?