21. Which of the following is a commonly used method of paper drying?
a) Air drying
b) Drum drying
c) Yankee drying
d) All of the above
Answer: d) All of the above
22. What is the term used to describe the process of adding water to the paper to increase its moisture content?
a) Moisturizing
b) Dewatering
c) Conditioning
d) Hydration
Answer: c) Conditioning
23. Which of the following is a commonly used paper grade for facial tissues and toilet papers?
a) Tissue paper
b) Kraft paper
c) Newsprint
d) Coated paper
Answer: a) Tissue paper
24. What is the term used to describe the process of embossing patterns or textures onto paper?
a) Embossing
b) Calendering
c) Coating
d) Lamination
Answer: a) Embossing
25. Which of the following is a common use of paper in the hygiene industry?
a) Disposable diapers
b) Plastic bags
c) Glass bottles
d) Metal cans
Answer: a) Disposable diapers
