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Listening Quiz: Khả Năng Tiêu Tán Tĩnh Điện Trong Vải Phòng Sạch – Medium Level
Th2 21, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư dệt may (English for Textile Engineer)
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1.
What is the main topic of William and Linda’s conversation?
How to clean dust from laboratory equipment
Choosing a textile that reduces static in a cleanroom
The cost of special fibers for clothing
Why cleanrooms need more lighting
Explanation:
They discuss electrostatic dissipation in cleanroom textiles, including reducing static build-up and testing fabric resistance.
2.
Why is electrostatic dissipation important in the cleanroom?
It helps stop static electricity from attracting dust and particles
It lowers the temperature in the room
It prevents the fabric from fading
It makes the fabric softer to wear
Explanation:
William says static electricity can attract dust and particles, which would contaminate the cleanroom.
3.
How do William and Linda measure electrostatic dissipation?
By testing the surface resistance of the fabric
By measuring the room’s humidity
By checking the fabric’s color
By weighing the textile before and after use
Explanation:
William states that they test the surface resistance of the fabric.
4.
What surface resistance level should the fabric have?
Between 10^5 and 10^9 ohms
Exactly 10^2 ohms
Above 10^12 ohms
Between 10^3 and 10^4 ohms
Explanation:
William says the acceptable resistance should be between 10^5 and 10^9 ohms.
5.
Which materials does William mention as helpful conductive fibers?
Glass or paper
Cotton and wool
Plastic and rubber
Carbon or metal
Explanation:
William says conductive fibers like carbon or metal help reduce static build-up.
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