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pse exam 1 Question and answers correctly solved 2025/2026

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pse exam 1 Question and answers correctly solved 2025/2026 What are the three major chemical components of wood (other than water)? - correct answer Cellulose, hemicellulose, lignin Which of the following is NOT classified as an extractive component of wood? a. Pinene b. Rosin c. Phenolpropane

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pse exam 1 Question and answers
correctly solved 2025/2026
What are the three major chemical components of wood (other than water)? - correct answer
✔Cellulose, hemicellulose, lignin



Which of the following is NOT classified as an extractive component of wood?

a.



Pinene



b.



Rosin



c.



Phenolpropane



d.



Triglyceride fat - correct answer ✔Phenolpropane



What type of chemical group, and how many, is present on each anhydroglucose repeating unit of
cellulose? - correct answer ✔Hydroxyl (-OH), 3 of them

, What process, happening during refining, can account for increased conformability of the fibers while
they are still wet?



Cutting



b.



Internal delamination



c.



External fibrillation



d.



Deswelling - correct answer ✔DONT KNOW



Which of the following fibers is typically the thinnest (smallest diameter)? - correct answer
✔Eucalyptus



Xylem is the Latin name for what? - correct answer ✔Wood



What often becomes ribbon-like in the course of pulping, refining, and formation into paper? - correct
answer ✔fibers



Which of the following generally cannot pass through the slots of a typical slotted pressure screen
system? - correct answer ✔shives

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