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pse exam 1 questions & answers 2024/2025

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pse exam 1 questions & answers 2024/2025 What are the three major chemical components of wood (other than water)? - ANSWERSCellulose, hemicellulose, lignin Which of the following is NOT classified as an extractive component of wood? a. Pinene b. Rosin c. Phenolpropane d. ...

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  • August 30, 2024
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  • Exam (elaborations)
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pse exam 1 questions & answers
2024/2025

What are the three major chemical components of wood (other than water)? - ANSWERSCellulose,
hemicellulose, lignin



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

a.



Pinene



b.



Rosin



c.



Phenolpropane



d.



Triglyceride fat - ANSWERSPhenolpropane



What type of chemical group, and how many, is present on each anhydroglucose repeating unit of
cellulose? - ANSWERSHydroxyl (-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 - ANSWERSDONT KNOW



Which of the following fibers is typically the thinnest (smallest diameter)? - ANSWERSEucalyptus



Xylem is the Latin name for what? - ANSWERSWood



What often becomes ribbon-like in the course of pulping, refining, and formation into paper? -
ANSWERSfibers



Which of the following generally cannot pass through the slots of a typical slotted pressure screen
system? - ANSWERSshives



Formation of paper occurs on what part of the paper machine? - ANSWERSwire section



What is the primary purpose of a pressure screen in the approach flow to a paper machine? -
ANSWERSremove larger items

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