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Listening Quiz: Các Biện Pháp Kiểm Soát Bụi Trong Quá Trình Phá Dỡ – Advanced Level
Th6 28, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư xây dựng (English for Civil Engineer)
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1.
What is the main topic of the conversation?
Training workers to operate heavy machinery
Choosing equipment for building a new structure
Planning how to control dust during demolition
Discussing the cost of demolition permits
Explanation:
The speakers discuss several ways to control dust during demolition, including water sprays, barriers, masks, and cleanup.
2.
When should Anna and William start spraying water to control dust?
At the end of each workday
Only after demolition is finished
Before and during demolition work
Only on rainy days
Explanation:
Anna says, ‘Spray before and during demolition work.’
3.
What does Anna say about dust screens or barriers?
They are more important than water sprays
They reduce dust spread but do not stop it all
They completely stop all dust
They are used only after cleanup
Explanation:
Anna explains that barriers ‘reduce dust spread but do not stop it all.’
4.
What can be inferred about the demolition site from the conversation?
The demolition will only happen indoors
It is likely to create a lot of dust, especially in dry or windy conditions
Workers do not need any protection if barriers are used
It will not require any cleanup after work
Explanation:
Anna advises spraying regularly, especially on dry and windy days, which suggests those conditions make dust more likely to spread.
5.
Why does Anna say, ‘Absolutely. Masks protect workers from inhaling dust’?
To explain the purpose of masks during demolition
To suggest workers should stop demolition immediately
To argue that water sprays are unnecessary
To say masks are only needed after cleanup
Explanation:
Anna responds to William’s question about masks by explaining that they protect workers from inhaling dust.
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