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Listening Quiz: Rà Soát Phân Tích CFD Cho Bộ Tản Nhiệt – Advanced Level
Th9 2, 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?
Comparing different types of office equipment
Choosing a supplier for computer parts
Explaining how to assemble a fan motor
Reviewing possible improvements to a heat sink design
Explanation:
Sophia and John discuss CFD results for a heat sink and ways to improve cooling performance, noise, and design.
2.
What does Sophia say about the airflow across the fins?
It only flows when the fan stops
It is uneven
It is completely blocked
It is stronger near the base
Explanation:
Sophia directly says, ‘The airflow is uneven across the fins.’
3.
What change does Sophia suggest to improve airflow?
Removing the fan from the design
Making the heat sink smaller
Increasing the spacing between the fins
Covering the base with insulation
Explanation:
Sophia says, ‘We could increase the spacing between the fins.’
4.
What can be inferred about the effect of higher fan speed?
It reduces noise and cooling at the same time
It improves cooling but creates more noise
It has no effect on the heat sink
It makes the heat sink structurally stronger
Explanation:
Sophia says higher fan speed helps cooling, but it also makes more noise, so both effects are implied.
5.
Why do Sophia and John think they should test different designs?
To keep the heat sink exactly the same size
To avoid using stronger material
To find the best balance between cooling and noise
To eliminate the need for a fan
Explanation:
They say they need a balance between cooling and noise and should test different designs to find the best one.
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