Chuyển đến phần nội dung
Luyện Nghe Tiếng Anh Chất
Tiếng Anh Chuyên Ngành
Listening Quiz: Lời Khuyên Về Vải Không Dệt Melt-Blown Cho Lọc – Advanced Level
Th4 21, 2025
—
bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư dệt may (English for Textile Engineer)
‹
1
2
3
4
5
›
1.
What is the main topic of the conversation?
The advantages and limitations of melt-blown nonwoven for filtration
How to manufacture spunbond fabric for industrial use
The history of medical masks in hospitals
The cost of particle counters and airflow meters
Explanation:
The conversation focuses on melt-blown nonwoven material, especially its filtration performance, strengths, limits, and testing.
2.
According to Emily, what does melt-blown nonwoven have that helps it trap small particles well?
Extra stretchability
Very fine fibers
Large open pores
A thick waterproof coating
Explanation:
Emily says melt-blown nonwoven has very fine fibers, which helps it trap small particles well.
3.
What does Emily say about spunbond materials compared with melt-blown nonwoven?
Spunbond is only used in masks, not filtration
Spunbond and melt-blown have the same filtration performance
Spunbond filters tiny particles better but is weaker
Spunbond is stronger but less effective at filtering tiny particles
Explanation:
Emily directly states that spunbond is stronger but less effective in filtering tiny particles.
4.
Why does Emily say proper design is important when using melt-blown nonwoven?
To increase the thickness as much as possible
To make the material completely waterproof
To balance filtration performance and airflow
To eliminate the need for testing equipment
Explanation:
Emily explains that melt-blown can block air too much, so proper design balances filtration and airflow.
5.
How do Emily and Paul say they test filtration performance?
With particle counters and airflow meters
By washing the material in hot water
By checking the color of the fabric
By stretching the material until it tears
Explanation:
Emily says they use particle counters and airflow meters for testing filtration performance.
Previous
Check
Next
Finish
Reset
Luyện tập thêm về bài học này:
Listening Lesson
Vocabulary Flashcards and Quiz
←
Trước đó:
Flashcards và Quiz Từ Vựng: Thiết Kế Kiến Trúc Tích Hợp EDI B2B – Easy Level
Tiếp theo:
Tiếng Anh Y Tế: Thuyết Trình Quy Hoạch Tổng Thể Tái Phát Triển Bệnh Viện – Easy Level
→