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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?
How to clean stainless steel after use
Why chlorine is being added to the plant
How to reduce labor costs at the plant
Which materials should be used for chlorine-processing equipment
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 only used for plastic parts
It resists chlorine corrosion poorly
It is cheaper than steel
Explanation:
Mia says that sometimes titanium is used for its strength.
3.
Which plastic does Mia mention as resisting chlorine?
Nylon
PTFE
Polycarbonate
PVC
Explanation:
Mia says, “Some plastics resist chlorine too, like PTFE.”
4.
What can be inferred about the choice of material for the plant?
Plastics cannot be used near chlorine
There is only one correct material for every part
Titanium is always the best choice
Cost and the specific part both matter in the decision
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 explain why budget affects the material choice
To suggest that chlorine is not corrosive
To recommend using only titanium
To show that titanium is weaker than steel
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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