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Listening Quiz: Thảo Luận Thiết Kế Hệ Thống Tiếp Địa Cho Trạm Biến Áp Mới – Medium Level
Th3 11, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư điện (English for Electrical Engineer)
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1.
What are Paul and Sophia mainly discussing?
How to choose the best construction materials for a building
How to test electrical appliances in a factory
How to repair damaged power lines
How to design a safe earthing system for a new substation
Explanation:
They are talking about designing the earthing system for a new substation and making it safe.
2.
What type of soil is found at the site?
Rocky soil with no clay
Mostly gravel with some mud
Only sandy soil
Mostly clay with some sand
Explanation:
Sophia says the soil is mostly clay with some sand.
3.
How far apart should the earth rods be placed?
Exactly the same length as each rod
No more than one meter apart
At least twice the length of each rod
As close together as possible
Explanation:
Paul says the rods should be at least twice the length of each rod apart.
4.
Why do Paul and Sophia want to use multiple earth rods?
To make the substation look more organized
To increase the size of the clay area
To avoid needing a soil test
To reduce resistance and spread the current safely
Explanation:
Paul says multiple earth rods should be used to reduce resistance, and Sophia says this will help spread the current safely.
5.
What will Sophia do next?
Arrange a soil resistivity test tomorrow
Cancel the design report
Change the soil at the site
Start digging the earth rods immediately
Explanation:
Sophia says she will arrange a test for the soil resistivity tomorrow.
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