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. Advantages of Mechanical Pulping?






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






3. What are some disadvantages of Chemical pulping?






4. How is brightness measured?






5. What are the three types of chemical pulping?






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






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






8. What are the advantages of Kraft pulping?






9. What is Effective Alkali?






10. What is Active Alkali?






11. What does TCF stand for?






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






13. What do fillers do?






14. What is Sulfidity?






15. What does TMP mean?






16. What are some advantages of Chemical pulping?






17. What does ECF stand for?






18. When and where was paper invented?






19. What is the purpose of sizing additives?






20. What percent of Paper and Board in the US is PRODUCED from RECYCLING?






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






22. What two ways is kraft pulping performed?






23. What is freeness?






24. What is the function of Heartwood and Sapwood?






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






26. What part of wood largely goes into paper?






27. What does PGW mean?






28. What is a common wet strength aid?






29. What is brownstock?






30. What is common filler?






31. What is the function of Bark?






32. How much Paper/Board is produced in the US a year?






33. What does the Kappa number indicate?






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






35. What are the 3 major grades of paper?






36. Disadvantages of recycled pulping?






37. What are the steps of Mechanical Pulping?






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






39. What are the steps in Semi-Chemical Pulping?






40. What is the PRIMARY goal of pulping processes?






41. What is black liquor?






42. Define Market Pulp.






43. What is the function of the Cambium?






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






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






46. What are the steps in Chemical pulping?






47. Name the primary purpose of the headbox.






48. Light rings in wood are known as what?






49. What do retention aids do?






50. Define refining.