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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 completely blocked
It is stronger near the base
It is uneven
Explanation:
Sophia directly says, ‘The airflow is uneven across the fins.’
3.
What change does Sophia suggest to improve airflow?
Making the heat sink smaller
Covering the base with insulation
Removing the fan from the design
Increasing the spacing between the fins
Explanation:
Sophia says, ‘We could increase the spacing between the fins.’
4.
What can be inferred about the effect of higher fan speed?
It has no effect on the heat sink
It improves cooling but creates more noise
It makes the heat sink structurally stronger
It reduces noise and cooling at the same time
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 find the best balance between cooling and noise
To avoid using stronger material
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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