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 advantages of Kraft pulping?






2. List the 3 types of Wet end machines.






3. What are some products of Chemical pulping?






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






5. What is a retention additive often used?






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






7. What is the purpose of sizing additives?






8. What is the function of the Cambium?






9. What are the 3 major grades of paper?






10. What is brownstock?






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






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






13. Define refining.






14. What are some advantages of Chemical pulping?






15. What is Effective Alkali?






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






17. What do fillers do?






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






19. What are some sizing additives?






20. What is common filler?






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






22. What is the PRIMARY goal of pulping processes?






23. What are some products of Recycled Pulping?






24. Light rings in wood are known as what?






25. When and where was paper invented?






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






27. What are some strength additives?






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






29. What is Sulfidity?






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






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






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






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






34. Define Paper.






35. What part of wood largely goes into paper?






36. What is a common wet strength aid?






37. What percentage of US production do P&W - Board - and Tissue compose?






38. Name the primary purpose of the headbox.






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






40. Advantages of recycled pulping?






41. What is formation?






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






43. What is freeness?






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






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






46. What are the steps in Chemical pulping?






47. What is the primary goal of bleaching?






48. Advantages of Mechanical Pulping?






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






50. What does CTMP mean?