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Natural fibre products Quiz 15

Theme: Natural Fibre Products NFP Quiz 15 Natural fibre products Quiz 15

Natural fibre products Quiz 15

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Question 1 of 10

1. Question
1. What is meant by the term “finishing” in the paper and board manufacture value chain?
- A) The initial stage of papermaking
- B) The process of recycling paper
- C) The final stage of papermaking before converting operations
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Question 2 of 10

2. Question
2. What are typical finishing operations in paper and board manufacturing?
- A) Calendering, reeling and winding, roll wrapping and handling, sheeting and sheet finishing
- B) Printing and binding
- C) Cutting and folding
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Question 3 of 10

3. Question
3. What is the purpose of calendering in the papermaking process?
- A) To add color to the paper
- B) To dry the paper
- C) To compress paper between rolls to improve surface properties like smoothness and gloss
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Question 4 of 10

4. Question
4. What is the main mechanism affecting the calender nip?
- A) Mechanical compression
- B) Chemical reaction
- C) Electrical charge
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Question 5 of 10

5. Question
5. What is the typical unit for measuring nip pressure in a calender?
- A) Kilograms per square meter (kg/m²)
- B) Liters per minute (L/min)
- C) Kilonewton per meter (kN/m)
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Question 6 of 10

6. Question
6. What is the effect of increased nip pressure on paper properties?
- A) Increased thickness and decreased smoothness
- B) Decreased thickness and increased smoothness
- C) No effect on paper properties
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Question 7 of 10

7. Question
7. What is the purpose of surface sizing in paper production?
- A) To add a protective layer on the paper surface
- B) To increase the weight of the paper
- C) To change the color of the paper
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Question 8 of 10

8. Question
8. What is the main advantage of temperature-gradient calendering?
- A) It increases the paper's weight
- B) It improves surface properties while preserving bulk
- C) It makes the paper waterproof
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Question 9 of 10

9. Question
9. What is the role of moisture in the calendering process?
- A) To increase the paper's weight
- B) To soften paper polymers and improve calendering results
- C) To make the paper transparent
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Question 10 of 10

10. Question
10. What is the main purpose of roll wrapping and handling in the paper industry?
- A) To add color to the paper rolls
- B) To protect the rolls during transport and storage
- C) To increase the weight of the rolls
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This page has been updated 07.01.2026

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