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 a retention additive often used?






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






3. What do the stages in DEDED do?






4. What are the advantages of Kraft pulping?






5. Dark rings in wood are known as what?






6. What are some products of Recycled Pulping?






7. What do retention aids do?






8. What are some roles of the headbox?






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






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






11. What is black liquor?






12. Advantages of Mechanical Pulping?






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






14. What part of wood largely goes into paper?






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






16. What are some disadvantages of Chemical pulping?






17. What are some advantages of Chemical pulping?






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






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






20. Light rings in wood are known as what?






21. How is brightness measured?






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






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






24. What is the PRIMARY goal of pulping processes?






25. What are some strength additives?






26. What are the steps in Chemical pulping?






27. What is Sulfidity?






28. What are the steps to recycled pulping?






29. What is the largest paperboard grade in the US by weight?






30. What is the purpose of sizing additives?






31. What are the products of Mechanical Pulping?






32. Define refining.






33. What does the Kappa number indicate?






34. What does CTMP mean?






35. What is formation?






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






37. What is common filler?






38. What are the three types of chemical pulping?






39. What are the 3 major grades of paper?






40. What does PGW mean?






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






42. What is Effective Alkali?






43. What are some sizing additives?






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






45. What are the four broad categories of pulping?






46. What are the steps of Mechanical Pulping?






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






48. Disadvantages of Mechanical Pulping?






49. What happens during refining?






50. Define Paper.