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Listening Quiz: Lời Khuyên Về Nhuộm Vải Polyamide – Easy Level
Th6 24, 2024
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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 temperature does Paul say works well for level dyeing?
Around 100 degrees Celsius
Around 90 degrees Celsius
Around 70 degrees Celsius
Around 80 degrees Celsius
Explanation:
Paul says that around 90 degrees Celsius works well for level dyeing.
2.
How long should the fabric be kept in the dye according to Paul?
10 to 15 minutes
30 to 45 minutes
20 to 25 minutes
60 to 75 minutes
Explanation:
Paul states that about 30 to 45 minutes is good.
3.
What special chemical does Paul recommend using?
A leveling agent
A cleaning solvent
A waterproof coating
A bleaching agent
Explanation:
Paul says to use a leveling agent to help.
4.
What pH range does Paul recommend?
Around 2.0 to 3.0
Around 4.5 to 5.5
Around 8.5 to 9.5
Around 6.5 to 7.5
Explanation:
Paul advises keeping the pH around 4.5 to 5.5.
5.
What is the conversation mainly about?
Choosing colors for a clothing line
How to repair damaged fabric
Ways to clean dyeing equipment
Advice for dyeing polyamide fabric evenly
Explanation:
The speakers discuss specific steps and conditions for dyeing polyamide fabric evenly, including temperature, time, chemicals, and pH.
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Listening Lesson
Vocabulary Flashcards and Quiz
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Flashcards và Quiz Từ Vựng: Viết Chính Sách Bảo Vệ Dữ Liệu – Easy Level
Tiếp theo:
Flashcards và Quiz Từ Vựng: Nói Về Hỗ Trợ Khiếm Thị Tại Bảo Tàng – Medium Level
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