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 do retention aids do?






2. What is the function of Heartwood and Sapwood?






3. List the 3 types of headboxes.






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






5. What happens during refining?






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






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






8. What are some strength additives?






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






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






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






12. What is Sulfidity?






13. What are the four broad categories of pulping?






14. What are the 3 major grades of paper?






15. What is a common wet strength aid?






16. What is common filler?






17. What is formation?






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






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






20. What is freeness?






21. What are some disadvantages of Chemical pulping?






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






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






24. What is the purpose of sizing additives?






25. What does TMP mean?






26. Disadvantages of recycled pulping?






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






28. What are some products of Chemical pulping?






29. What part of wood largely goes into paper?






30. Define Fluff Pulp.






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






32. Define Market Pulp.






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






34. What are the steps in Chemical pulping?






35. What is the primary goal of bleaching?






36. What are some roles of the headbox?






37. What two ways is kraft pulping performed?






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






39. What do the stages in DEDED do?






40. What is brownstock?






41. What does CTMP mean?






42. What are the three types of chemical pulping?






43. How is brightness measured?






44. What is the function of the Cambium?






45. What is Active Alkali?






46. What are the jobs of the Recovery Boiler?






47. What does TCF stand for?






48. Light rings in wood are known as what?






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






50. Advantages of Mechanical Pulping?