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