6. Which of the following is a commonly used method of papermaking?
a) Fourdrinier
b) Cylinder
c) Twin-wire
d) All of the above
7. What is the term used to describe the process of adding chemicals to the pulp to improve its properties?
a) Chemical pulping
b) Mechanical pulping
c) Bleaching
d) Additives
8. Which of the following is a common use of paper in the packaging industry?
a) Corrugated boxes
b) Plastic bags
c) Glass bottles
d) Metal cans
9. Which of the following is a commonly used paper grade for newspapers and magazines?
a) Newsprint
b) Tissue paper
c) Kraft paper
d) Coated paper
10. What is the term used to describe the process of reducing the thickness of paper through pressure?
a) Calendering
b) Coating
c) Laminating
d) Embossing