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Natural fibre products Quiz 22

Theme: Natural Fibre Products NFP Quiz 22 Natural fibre products Quiz 22

Natural fibre products Quiz 22

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Question 1 of 10

1. Question
1. Question 1: What causes problems in printing and handling dry paper?
- A) Mechanical stress
- B) Thermal conductivity
- C) Static electricity
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Question 2 of 10

2. Question
2. Question 2: What is the typical resistivity range of paper?
- A) 10^2–10^4 Ω·m
- B) 10^6–10^8 Ω·m
- C) 10^10–10^14 Ω·m
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Question 3 of 10

3. Question
3. Question 3: What is the main mechanism of electrical conduction in paper fibers?
- A) Electronic conduction
- B) Ionic conduction
- C) Thermal conduction
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Question 4 of 10

4. Question
4. Question 4: What is the dielectric constant of paper typically in the range of?
- A) 2–3
- B) 10–12
- C) 50–60
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Question 5 of 10

5. Question
5. Question 5: What is the effect of increasing moisture content on the conductivity of paper?
- A) Decreases conductivity
- B) No effect on conductivity
- C) Increases conductivity
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Question 6 of 10

6. Question
6. Question 6: What is the primary use of paper capacitors?
- A) High-voltage capacitors
- B) Low-voltage capacitors
- C) Thermal insulation
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Question 7 of 10

7. Question
7. Question 7: What is the main drawback of AC measurement of paper resistivity?
- A) Difficult interpretation of frequency-dependent permittivity
- B) High cost
- C) Low accuracy
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Question 8 of 10

8. Question
8. Question 8: What is the purpose of using polarisation filters in the graphical industry?
- A) To enhance color saturation
- B) To reduce the influence of specular reflections
- C) To increase brightness
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Question 9 of 10

9. Question
9. Question 9: What is the effect of surface roughness on specular reflection?
- A) Increases specular reflection
- B) Reduces specular reflection
- C) No effect on specular reflection
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Question 10 of 10

10. Question
10. Question 10: What is the typical operating temperature range for paper capacitors?
- A) -10 °C to +50 °C
- B) -40 °C to +70 °C
- C) 0 °C to +100 °C
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This page has been updated 07.01.2026

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