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






2. What percentage of the average P&W sheet is Hardwood?






3. What is the function of Bark?






4. List the 3 forces of wet end water removal.






5. What happens during refining?






6. List the 3 types of headboxes.






7. What are some sizing additives?






8. What part of wood largely goes into paper?






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






10. What does ECF stand for?






11. What are some disadvantages of Semi- chemical pulping?






12. What does CTMP mean?






13. What is world production per year of paper/board?






14. Define Paper.






15. The set up of Evaporators and how it saves steam economy.






16. What does PGW mean?






17. What is freeness?






18. Dark rings in wood are known as what?






19. Disadvantages of recycled pulping?






20. What is the PRIMARY goal of pulping processes?






21. What is Effective Alkali?






22. What are some disadvantages of Chemical pulping?






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






24. What is the largest paper grade in the US by weight?






25. What is a retention additive often used?






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






27. What are the advantages of Kraft pulping?






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






29. What is brownstock?






30. Define Fluff Pulp.






31. Disadvantages of Mechanical Pulping?






32. What do retention aids do?






33. What does SGW mean?






34. Light rings in wood are known as what?






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






36. What are the steps of Mechanical Pulping?






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






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






39. Advantages of Mechanical Pulping?






40. What sets Semi-Chemical pulping apart from Chemical Pulping?






41. Define Market Pulp.






42. What percent of World production does the US contribute to Paper/Board?






43. What is the function of the Cambium?






44. What are some roles of the headbox?






45. When and where was paper invented?






46. How is brightness measured?






47. What is common filler?






48. What is a common wet strength aid?






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






50. What are the 3 major grades of paper?