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. Define Fluff Pulp.






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






3. What does SGW mean?






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






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






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






7. What is Effective Alkali?






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






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






10. What are some products of Chemical pulping?






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






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






13. What do fillers do?






14. What are the advantages of Kraft pulping?






15. What is the function of Heartwood and Sapwood?






16. What part of wood largely goes into paper?






17. What do retention aids do?






18. What are the steps in Chemical pulping?






19. What are the four broad categories of pulping?






20. Dark rings in wood are known as what?






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






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






23. What is freeness?






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






25. What are the 3 major grades of paper?






26. What is the purpose of sizing additives?






27. What is Sulfidity?






28. Advantages of recycled pulping?






29. Light rings in wood are known as what?






30. What are some products of Recycled Pulping?






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






32. What is a retention additive often used?






33. Disadvantages of Mechanical Pulping?






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






35. What is black liquor?






36. List the 3 types of Wet end machines.






37. What happens during refining?






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






39. What are the steps to recycled pulping?






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






41. What is common filler?






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






43. What is brownstock?






44. What are some sizing additives?






45. What does CTMP mean?






46. Define Paper.






47. What are the steps of Mechanical Pulping?






48. What are the three types of chemical pulping?






49. Name the primary purpose of the headbox.






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