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Listening Quiz: Cải Thiện Hiệu Suất Tổng Hợp Công Nghiệp – Easy Level
Th8 25, 2024
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What are Sarah and Kevin mainly discussing?
How to train new lab employees
How to replace the current reaction entirely
How to improve the yield of their industrial process
How to reduce the cost of raw materials
Explanation:
They discuss several ways to improve the low yield of their process, including temperature, pressure, and raw material purity.
2.
What does Kevin say may happen if the temperature is too high?
The reaction could produce side reactions
The raw materials will become impure
The pressure will drop automatically
The yield will always stay the same
Explanation:
Kevin says that higher temperature might speed up the reaction, but too high a temperature can cause side reactions.
3.
What does Kevin say about increasing pressure?
It always damages the reaction
It has no effect on the process
It can improve yield in some cases
It only works when the temperature is low
Explanation:
Kevin states that increasing pressure can improve yield in some cases.
4.
Why do Sarah and Kevin want to run small tests?
To compare different conditions before choosing the best one
To stop using raw materials with impurities immediately
To avoid discussing pressure changes any further
To prove that temperature does not matter
Explanation:
They say they should test different temperatures carefully and run small tests with the changes so they can find the best conditions.
5.
What else do Sarah and Kevin decide to check besides temperature and pressure?
The purity of the raw materials
The size of the factory
The color of the equipment
The number of workers on the line
Explanation:
Sarah says they also need to check the purity of raw materials, and Kevin explains that impurities can reduce reaction efficiency.
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