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Listening Quiz: Lựa Chọn Vật Liệu Cho Quy Trình Xử Lý Clo – Easy Level
Th11 9, 2024
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What are Paul and Mia mainly discussing?
Why chlorine is being added to the plant
Which materials should be used for chlorine-processing equipment
How to reduce labor costs at the plant
How to clean stainless steel after use
Explanation:
They are deciding which materials are suitable for a plant that handles chlorine, focusing on corrosion resistance and cost.
2.
According to Mia, what is true about titanium?
It is sometimes used for its strength
It is cheaper than steel
It resists chlorine corrosion poorly
It is only used for plastic parts
Explanation:
Mia says that sometimes titanium is used for its strength.
3.
Which plastic does Mia mention as resisting chlorine?
PVC
PTFE
Polycarbonate
Nylon
Explanation:
Mia says, “Some plastics resist chlorine too, like PTFE.”
4.
What can be inferred about the choice of material for the plant?
There is only one correct material for every part
Cost and the specific part both matter in the decision
Titanium is always the best choice
Plastics cannot be used near chlorine
Explanation:
Mia says they can choose stainless steel or plastic depending on the part and budget, which shows both cost and the part being made matter.
5.
Why does Mia mention that titanium is more costly than steel?
To suggest that chlorine is not corrosive
To show that titanium is weaker than steel
To explain why budget affects the material choice
To recommend using only titanium
Explanation:
Mia brings up titanium’s higher cost in the context of choosing materials, which supports her point that budget influences the decision.
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