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.
...
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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