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






2. What are the 3 major grades of paper?






3. Define refining.






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






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






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






7. Define Paper.






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






9. What does PGW mean?






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






11. What are the steps of Mechanical Pulping?






12. What are the steps to recycled pulping?






13. Light rings in wood are known as what?






14. What part of wood largely goes into paper?






15. What is Sulfidity?






16. What are some products of Recycled Pulping?






17. What is brownstock?






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






19. What are some strength additives?






20. What is the PRIMARY goal of pulping processes?






21. Dark rings in wood are known as what?






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






23. Advantages of Mechanical Pulping?






24. What does the Kappa number indicate?






25. What are the four broad categories of pulping?






26. What two ways is kraft pulping performed?






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






28. What is the purpose of sizing additives?






29. What are the steps in Chemical pulping?






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






31. Name the primary purpose of the headbox.






32. What are some disadvantages of Chemical pulping?






33. What does TCF stand for?






34. What are some roles of the headbox?






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






36. What do the stages in DEDED do?






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






38. What is the primary goal of bleaching?






39. What is the function of the Cambium?






40. What are the jobs of the Recovery Boiler?






41. List the 3 types of Wet end machines.






42. What does ECF stand for?






43. What is Effective Alkali?






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






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






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






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






48. What do fillers do?






49. Disadvantages of recycled pulping?






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