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Listening Quiz: Chọn Bơm Cho Lắp Đặt NPSH Thấp – Easy Level
Th6 21, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư cơ khí (English for Mechanical Engineer)
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1.
What is the main topic of the conversation?
Repairing a pump that has already suffered cavitation damage
Comparing different brands of pumps for general water use
Choosing a pump for a chemical plant with low NPSH conditions
Training employees to operate chemical plant equipment safely
Explanation:
Sarah and Michael discuss selecting a pump for a chemical plant site with low NPSH available and the need to avoid cavitation.
2.
Why does Sarah say they must avoid cavitation?
Because the chemical plant is shutting down soon
Because the site has low NPSH available
Because the pump is too expensive to replace
Because the pump curves are missing
Explanation:
Sarah says the site has low NPSH available and that they must avoid cavitation.
3.
Which type of pump does Sarah mention as a possible choice?
A submersible drainage pump
A vertical turbine pump
A diaphragm pump
A centrifugal booster pump
Explanation:
Sarah says, ‘we could use a pump like a vertical turbine pump.’
4.
What can be inferred about the pump they choose?
It should require very high NPSH to operate
It should perform well when suction pressure is low
It will be used only for temporary testing
It must be installed underwater
Explanation:
Because the site has low NPSH available, they want a pump with low NPSH requirements that can handle low suction pressure well.
5.
What will Sarah do next?
Ask Michael to redesign the chemical plant
Order the first pump they discussed
Prepare a list of suitable pumps for review
Cancel the pump purchase immediately
Explanation:
Sarah says, ‘I will prepare a list of suitable pumps for review,’ which clearly states her next action.
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